British parliament
British parliamentiStock

British police said on Thursday they had resumed sharing information with U.S. agencies, hours after the cooperation was suspended following leaks to U.S. media about the Manchester suicide bombing.

Britain said the reason for the resumption was that it received "fresh assurances" from Washington, reported Reuters.

"While we do not usually comment on information sharing arrangements...having received fresh assurances, we are now working closely with our key partners around the world including all those in the 'Five Eyes' intelligence alliance," said Mark Rowley, Britain's lead officer for counter-terrorism policing.

The Five Eyes alliance is made up of Britain, the United States, Canada, Australia and New Zealand.

Among the alleged leaks to the U.S. press were the name of the suspected terrorist bomber, as well as specific details of the bomb used in the attack which were published by the New York Times.

Earlier on Thursday, British Prime Minister Theresa May spoke to U.S. President Donald Trump in order to make clear to him “that intelligence that is shared between our law enforcement agencies must remain secure".

Trump slammed the diplomatically damaging leaks and ordered the Justice Department to launch a full investigation.

"The alleged leaks coming out of government agencies are deeply troubling," President Trump said in a statement released by the White House. "These leaks have been going on for a long time and my Administration will get to the bottom of this. The leaks of sensitive information pose a grave threat to our national security."