The former prime minister resigned after failing to secure a Remain vote.
Former prime minister's team dubbed the ex-interior minister 'Submarine May' for her alleged penchant for disappearing when needed.
Conservative MP Johnny Mercer said Cameron was vetoed by the attorney general.
His resignation will take immediate effect.
The U.K.’s Civil Service executive John Manzoni strongly disagreed with Cameron's decision.
May was appointed PM after David Cameron visited the Queen to formally resign.
Cameron’s successor Theresa May will become prime minister later Wednesday.
What comes next is unclear—will renegotiation lead to a deal or a second referendum?
The Nigerian president said he hoped bilateral relations would flourish “despite the outcome of the referendum.”
The British PM is stepping down, but he will not have an easy summer.
The Russian leader isn’t above kicking a dog when it is down.
The former Mayor of London is widely tipped to replace David Cameron as prime minister.
The ex-London mayor is being tipped to replace David Cameron as prime minister.
Cameron announced he would step down in the wake of the U.K.'s vote to leave the EU.
Cameron said the U.K. should have a new leader by October.
The U.K. has voted to leave the European Union after a tumultuous campaign.
No matter what the Leave camp says, the U.S. has been clear that relations would not thrive after a Brexit.
"You would have to start cutting things that people really value, whether it is the money going to the NHS or whether it is support for our pension system," prime minister says.
'Independent studies show that a vote to leave would hit the value of the pound, making imports more expensive and raising prices in the shops,' David Cameron says.