If any more proof is needed that football is a cut-throat business, Leicester's ruthless sacking of club hero Claudio Ranieri seals the argument.

Revellers across Brazil begin Carnival celebrations, taking to the streets to dance and blow off steam at a time of economic angst and fury with politicians over a sprawling corruption scandal.

News organisations including The New York Times, the Los Angeles Times, CNN and Politico are barred from joining an informal, on-the-record White House press briefing.

Scientists are employing the help of elephant seals in Antarctica to gather crucial information about the Southern Ocean, but first the animals need to be fitted with one vital piece of equipment: a sensor on their head.

Nick Kyrgios makes light work of Norbert Gombos to reach the Open 13 semi-finals in Marseille, beating the Slovakian qualifier 6-3, 6-3 in less than an hour.