Mesa: Michael Phelps has, for the first time, declared his intention to compete at the 2016 Olympics in Rio de Janeiro in a bid to add to his record 18 gold medals.


Michael Phelps swims during a practice session on Wednesday 

The 29-year-old American was speaking at a news conference at the Arena Pro Swim Series in Mesa, Arizona, on his return from a six-month suspension imposed by USA Swimming following his drink driving conviction last September.