A good Samaritan jumped into action when a boat caught fire on the Hudson River on Saturday.
The Coast Guard says flames broke out on a 48-foot yacht just before 3:30 p.m. near 72nd Street. Seven people were on board.
That good Samaritan rescued all seven and took them to an NYPD boat.
The Coast Guard says the yacht sank and they are now monitoring the water for pollution.
No injuries were reported.
It's unclear what caused the fire.
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​Flames badly damaged a boat in Dana Point Harbor on Thursday, Aug. 18, but firefighters quickly extinguished the blaze and no injuries were reported.
The 31-foot Sea Ray was in a slip at Dock L when the fire was reported at about 1:30 p.m., Orange County Sheriff’s Sgt. Todd Hylton said. One person was aboard the boat performing maintenance on the engine at the time.
The fire spread to fully engulf the craft, Hylton said. As it grew, a woman who was passing by jumped into the water to help push neighboring boats away from the flames, he said.
Firefighters managed to douse the burning vessel within minutes, Orange County Fire Capt. Greg Barta said. The scorched boat was then towed to a contained Orange County Sheriff’s dock to prevent any contaminants from possibly leaking into the ocean, Hylton said.

One person was hurt in a boat fire on Lake Hartwell Wednesday evening, according to Williford Fire and Rescue.
The department said the call came in at 8:20 p.m. for a boat fully engulfed in flames on a dock along Providence Church Road.
According to Chief Covert, when crews arrived on scene, the boat had already been pushed away from the dock and was floating on the lake.
Chief Covert said one male was taken to the ER by a personal vehicle as a result of the fire.
There are no updates on his condition at this time.

Three boats caught fire at a Lake Washington marina late Sunday, temporarily stranding two people on a dock, the Seattle Fire Department said.
The fire, near the Rainier Yacht Club on Seward Park Avenue South, was reported around 9:45 p.m.
In addition to the three boats, an overhead marina structure, essentially a roof on stilts, was ablaze late Sunday, said Kristin Tinsley, a Fire Department spokesperson.
At 10:30 p.m., Tinsley said there were no reported injuries, although a search of the area was not yet complete. At 11 p.m., the Fire Department said on Twitter that the boats could not be searched due to fire damage.
The two people on the dock were past the point of the fire and were “instructed to stay in place” until it was safer to come back to shore, Tinsley said.
The three boats were “pleasure craft” and pretty small, Tinsley said.
Shortly before 10 p.m., the Fire Department reported it had “water on the fire.” At 11 p.m., the department said the fire was under control in approximately one hour.
The fire was blocking traffic on Seward Park Avenue South, between Rainier Avenue South and South Fisher Place, according to the Seattle Department of Transportation. All lanes reopened overnight.
At least 11 engines and three ladder trucks responded, as well as fire boats from the Fire Department and Seattle police.

A person was rescued from a boat that caught fire close to Block Island, Rhode Island on Friday, authorities said.
First responders were alerted around noon about the blaze aboard the 38-foot vessel. The engine on the boat caught fire roughly 1.5 miles west of Block Island, and one person was on board, according to the U.S. Coast Guard.
The person aboard the vessel was rescued by a good Samaritan, who helped him off the boat. He was then assisted by the Block Island Harbor Master, said Briana Carter, a petty officer for District 1 of the Coast Guard.
“There were no injuries reported,” Carter told MassLive.
The Coast Guard Cutter Coho vessel, alongside the Block Island Harbormaster and the Narragansett and Newport fire departments, responded to the scene of the blaze, according to Carter. The fire was initially extinguished by the operator of the vessel before he was assisted by the good Samaritan. However, flames soon erupted up again, authorities noted.
“Once it reignited, the Coho’s crew doused the vessel until Newport Fire and Narraganset Fire arrived on scene and were fully able to extinguish the vessel,” Carter said.
The boat was towed back to shore to Point Judith, a village on the coast of Narragansett, Rhode Island, according to Carter.
The Coast Guard did not say how damaged the boat was, but video of the fire showed a thick plume of black smoke and intense flames coming from the vessel.

Seattle, WA — Seattle firefighters were responding late Friday night to a blaze on Lake Union.
Firefighters were called shortly after 11 p.m. to 2040 Westlake Ave. North to a fire that appeared to be located right next to the dock.
Crews say the fire involved two houseboats and two docked boats. All residents were evacuated.
Seattle Fire says the fire was particularly challenging because of limited walkways and weight limits on the floating docks.
Rescue swimmers were on scene in case anyone fell into the water and Harbor Patrol assisted with pouring water on the fire from the lake.
No injuries were reported and the cause of the fire is under investigation.

A fire swept through two pleasure boats docked at a marina in Brooklyn on Tuesday afternoon.
Several FDNY vessels responded to the Futura Marina, located on Knapp Street in Sheepshead Bay, just before 4 p.m., authorities said.
Firefighters extinguished the fire and worked to keep the vessel afloat. The fire was under control just before 5 p.m., the FDNY said.
Video from SkyFOX showed that the charred vessels appeared severely damaged, possibly irreparably. 
No one was hurt, the New York City Fire Department said.

 A fire erupted at The Dalles Marina Monday night, according to authorities.
In a Facebook post at 7:40 p.m. Monday, the Wasco County Sheriff’s Office said first responders were at the moor off Boat Launch Road.
Firefighters tried to protect as many houseboats as possible while putting out spot fires along the shore, according to fire officials.
Multiple agencies, including the Oregon Office of State Fire Marshal, helped battle the blaze. A strike team from Multnomah County battled the fire overnight before the Oregon OSFM says the team was sent home Tuesday morning.

Six people were rescued Saturday afternoon after the engine of their Boston Whaler caught fire in Lake Erie near Yorktown Place.
Vermilion police said they received the call around 3 p.m. Saturday.
Tow Boat US was first on the scene and transferred all six people onto their boat.
Vermilion police Marine Patrol Unit then arrived and put out the fire with their board fire fighting pump and bow mounted deluge water cannon.
When the Boston Whaler was within shore range, Vermilion firefighters sprayed foam on it from their position on the beach.
The disabled boat was then towed back to port and the occupants were returned to the dock.
According to police, the boat engine is a total loss, but the rest of the boat was not damaged.

A 37-foot boat caught fire Friday evening, burned down to the water line, and then sank below the waters of Lake Huron, the Coast Guard said.
A man, the boat operator and sole person aboard, was rescued.
Chief Petty Officer Michael Davis of the Tawas Station said Monday that there were no injuries and a Coast Guard vessel was dispatched to the scene to protect any other vessels in the area.
The survivor's name was not released.
Davis confirmed TV news reports that a Good Samaritan near the boat fire responded to a marine broadcast around 7 p.m. and rescued the boat operator who was already in the water with a life jacket near Point Lookout Harbor in AuGres.
The Good Samaritan, Davis said, brought the man to emergency responders.