Music

Members of the army join a police officer outside 10 Downing Street in London, Wednesday, May 24, 2017. Britons will find armed troops at vital locations Wednesday after the official threat level was raised to its highest point following a suicide bombing that killed more than 20, as new details emerged about the bomber. (AP Photo/Tim Ireland)

Members of the army join a police officer outside 10 Downing Street in London, Wednesday, May 24, 2017. Britons will find armed troops at vital locations Wednesday after the official threat level was raised to its highest point following a suicide bombing that killed more than 20, as new details emerged about the bomber. (AP Photo/Tim Ireland)

FILE - In this Aug. 26, 2015 file photo, Ariana Grande performs during the honeymoon tour concert in Jakarta, Indonesia. Grande's management team says the singer's concerts will be canceled through June 5, 2017, after a bombing following her concert in Manchester, England left 22 people dead. (AP Photo/Achmad Ibrahim, File)

A child places flowers in a square in central Manchester, Britain, Wednesday, May 24, 2017, after the suicide attack at an Ariana Grande concert that left more than 20 people dead and many more injured, as it ended on Monday night at the Manchester Arena. (AP Photo/Emilio Morenatti)

Forensic officers work near the Manchester Arena in Manchester, Wednesday, May 24, 2017. Britons will find armed troops at vital locations Wednesday after the official threat level was raised to its highest point following a suicide bombing that killed more than 20, as new details emerged about the bomber.(AP Photo/Kirsty Wigglesworth)

In this image made from video, Shauna Hardy, whose daughter Rihanna was at the Ariana Grande concert at Manchester Arena on Monday, speaks to the Associated Press in Manchester, England, Tuesday, May 23, 2017. Rihanna Hardy had been looking forward to seeing Ariane Grande since she got her ticket as a Christmas gift. The 11-year-old left school a couple of hours early and her parents, Ryan and Shauna, both took the afternoon off work to make sure they would get to the concert on time - driving from Newcastle, 225 kilometers (140 miles) northeast of Manchester. Just a few minutes the show, a suspect identified as 22-year-old Salman Abedi set off his suicide bomb in the foyer, near a road linking the venue to a railway station. (AP Photo)

Sheriff's Deputies keep watch on fans as they enter Quicken Loans Arena for Game 4 of the NBA basketball Eastern Conference finals between the Boston Celtics and the Cleveland Cavaliers, Tuesday, May 23, 2017, in Cleveland. Security was at a heightened at the game fans after Monday’s suicide bombing that killed over a dozen people at a Manchester, England, arena (AP Photo/Tony Dejak)

New York Yankees outfielders Aaron Hicks (31), Jacoby Ellsbury,(22) stand at attention as the British National Anthem is played prior to a baseball game against the Kansas City Royals at Yankee Stadium in New York, Tuesday, May 23, 2017 in memory of victims of the Manchester, England bombing. (AP Photo/Kathy Willens)

Flower tributes at St Ann's square, Manchester, England Tuesday May 23, 2017. The Islamic State group claimed responsibility Tuesday for the suicide attack at an Ariana Grande show that left more than 20 people dead as young concertgoers fled, some still wearing the American pop star's trademark kitten ears and holding pink balloons. (AP Photo/Rui Vieira)

People sit under a billboard in Manchester city centre, Tuesday May 23, 2017, the day after the suicide attack at an Ariana Grande concert that left 22 people dead as it ended on Monday night. (AP Photo/Kirsty Wigglesworth)