Rupert Murdoch sorry for suggesting Obama isn't a ‘real black president’

Murdoch sent a tweet on Wednesday night praising the Republican presidential candidate Ben Carson and jabbing at the current president

Rupert Murdoch has issued an apology, after suggesting on Twitter that Barack Obama was not a "real black president".

Murdoch sent a tweet on Wednesday night praising the Republican presidential candidate Ben Carson and his wife and jabbing at the current president - although not by name.