Lloyd Scott has completed his charity climb up the Gherkin in a deep diving suit in a total time of 2 hours and 53 minutes.
He climbed 38 floors and a total of 1,037 steps in the 10 stone suit - and told ITV London how he felt at the top.
More top news
The threat level has been raised to critical by MI5's Counter-Terrorism Analysis Centre.
Sam Allardyce has quit as manager of Crystal Palace and retired from football management.
Authorities named Salman Abedi as the suspected attacker who detonated a bomb at the Manchester Arena.