Channel 4 News presenter Cathy Newman has thanked a "quick-thinking" off-duty firefighter for saving her uncle's life after he suffered a heart attack at Euston station.
The firefighter administered CPR after the man collapsed at the busy north London hub station on Saturday morning.
Expressing her gratitude, she tweeted: "To the off-duty firefighter who helped treat my uncle at Euston station today: a sincere thank you. You saved his life."
The 42-year-old presenter also urged the firefighter to get in contact in a Tweet, saying: "If you're the firefighter who saved my uncle's life please get in touch - his family would love to thank you personally."
To the off-duty firefighter who helped treat my uncle at Euston station today: a sincere thank you. You saved his life.— Cathy Newman (@cathynewman) March 11, 2017
British Transport Police were also on the scene and reported the incident on Twitter, stating: "Male having a heart attack & luckily quick thinking off duty @LondonFire firefighter, @BTPEuston & @BTPNetworkResp gave life saving treatment".
Ms Newman today said her uncle is "not out of the woods yet" but is being "well looked after" at St Bartholomew's hospital in central London.
Tweeting to her 135,000 followers, she also thanked well-wishers hoping for his speedy recovery.
A spokesman for London Fire Brigade (LFB) praised the firefighter, saying it was fortunate that he or she "happened to be there at the right time".