A former advisor to the party of Israeli PM Benjamin Netanyahu speaks to Newshour about the strike on a Yemeni airport carried out by Israel. The head of the World Health Organization claims Israel should have known he was in the airport when the missile struck. Russian President Vladimir Putin apologises for a passenger plane crash in Kazakhstan but does not officially acknowledge Russia's responsibility. Chess grandmaster Magnus Carlsen quits a tournament after being told he can't wear jeans to play.