Seb Baldwin was out for a friend’s birthday when the atrocity happened, leaving seven people dead and many more injured.
“We were having a night out, watching the Champions League final, left the pub and we were going to cross the river,” Seb started.
He continued: “Then everyone was in a massive panic. At first we didn’t realise what was going on. I thought it was just people doing what they do on a Saturday night, then a couple came up to us – luckily – and they said, ‘Don’t go down there’.
London terror attack: Good Morning Britain crew member Seb was nearby when the stabbing happened
London terror attack: Good Morning Britain spoke to him about what happened London terror attack: Latest pictures Fri, March 24, 2017
4 dead and 40 injured in London terror attack
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Armoured police personnel carriers are seen on a street leading to the Houses of Parliament in central London on March 24, 2017 two days after the March 22 terror attack on the British parliament and Westminster Bridge
He had this boldness about him, he had no care at all
“It was the panic in their voices that straight away hit me. As they said that, we looked and there was a body on the floor. I just looked at my mate and said, ‘We should go’.”
Seb had been heading for the bridge when he saw one of the terrorists around “30 to 40 ft away”.
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“He had this boldness about him, he had no care at all… I could hear loud Arabic, I guess. I heard, ‘Allah’,” he went on.
London terror attack: Seb recalled running for his life
London terror attack: Seven people died in the atrocity
“It is unspeakable, after all the events and hearing so much about it, when it happens and you’re there, you don't realise just how horrible it is until you are running for your life.”
Seb appeared to be still in shock as he told the hosts his own account, admitting he later felt fearful walking around the capital.
Good Morning Britain airs weekdays at 6am on ITV.