TV presenter who 'couldn't swim' braves ocean challenge
A couple of months ago Blue Peter's Andy Akinwolere could not swim a length of a swimming pool.
Several weeks of training later and the presenter swam over one of the most dangerous stretches of ocean.
It is called the Palau Trench and at it is deepest point it reaches 11,000 metres.
Shortly after returning from his trip, he spoke to BBC Breakfast.