Concert goers wait to be picked up at the scene of a suspected terrorist attack during a pop concert by USA star Ariana Grande in Manchester A tweet from U.S. singer Ariana Grande is seen as she makes her first comment since a bombing at her concert in Manchester Armed police man roadblocks outside the arena after reports of an explosion at the venue during an Ariana Grande gig. "The issue is being raised at every relevant level by the British authorities with their USA counterparts".
British investigators hunted Wednesday for possible connections between the 22-year-old suicide bomber in this week's Manchester Arena attack and the clandestine Islamic State-affiliated cell that carried out similarly sinister assaults on Paris and Brussels in 2015.
Meanwhile in Britain, British police said they had arrested a seventh person following searches at an address in Nuneaton, central England.
Prime Minister Theresa May will confront President Donald Trump over USA media leaks from the Manchester bombing probe, as one of the closest intelligence-sharing partnerships is tested as never before in the fight against global terrorism.
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A spokesman for the Prime Minister said that May "expressed the view that the intelligence sharing relationship we have with the USA is hugely important and valuable, but that the information that we share should be kept secure".
Of the crime scene images being published in the United States, a Whitehall source told the Press Association: 'We are furious. "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".
The Times has defended its decision to publish the pictures, saying they were "neither graphic nor disrespectful of victims".
The bomber's older brother Ismail, 23, is among the eight men arrested.
Abedi's brother, Hashim and father Ramadan are being detained by anti-terror forces in Libya.
The channel said its investigation reveals how Abedi grew up on the same housing estates in south Manchester as a group of young men who radicalised each other with some fighting for ISIS in Syria and Iraq.