Dr. Benny Meilik and his young family had finished their breakfast and were getting ready to explore London. It was the first time they had visited the city together and Bar, 17, and Rony, 12, couldn't wait to get out and see the sights they heard so much about.

In his work as an emergency surgeon and consultant at the Tel Aviv Medical Center, he has worked saving lives from terror attacks across Israel – and he wanted some peaceful, reflective time with his wife Libby, away from the trauma of treating victims of violence...

...When the bomb went off in the deep underground tunnel, visitors at the hotel felt the tremor and heard the rumbling bang that signalled London's worst-ever terrorist attack.

Meilik did not waste time, and his speedy response saved lives.

"I have heard enough explosions to know what they sound like, and when I heard the boom I sprung into action," he said later.

Leaving his wife and children at the hotel, which was evacuated moments later by the police, he dashed outside to find out what had happened.

"People were pointing at the tube station and I so I went in." he said. "There was carnage, smoke everywhere, and suddenly paramedics rushed in after me."

It was the start of a tough morning for the doctor, who has treated over 100 victims of the conflict in Israel and is used to seeing the sorts of injuries that greeted him on the platforms of Russell Square...