Jessica Ennis-Hill announced that she is pregnant and will miss the Glasgow games.
Double Olympic gold medallist Mo Farah said he might skip the Commonwealth Games to recover from his first London Marathon in April.
World-record-breaking Jamaican sprinter Usain Bolt says he will probably only run in the 200m if he competes at all in Glasgow.
More top news
A plane powered purely by solar power has taken off from Egypt for the final leg of the first ever fuel-free flight around the world.
Animal rights group PETA seizes 'teachable moment', warning Pokémon Go users the game is akin to animal cruelty.
A Labour MP has accused aides to Jeremy Corbyn and John McDonnell of a 'violation of privacy, security and confidentiality'.