TOPSHOT - A man stands in front of a fountain illuminated with the colours of the United Kingdom flag on May 23, 2017, in Zagreb, during a tribute to victims of an attacks claimed by Islamic State which killed at least 22 people and left more than 60 injured in Manchester the day before. Twenty two people have been killed and dozens injured in Britain's deadliest terror attack in over a decade after a suspected suicide bomber targeted fans leaving a concert of US singer Ariana Grande in Manchester. British police on May 23 named the suspected attacker behind the Manchester concert bombing as Salman Abedi, but declined to give any further details. / AFP PHOTO / STRINGER (Photo credit should read STRINGER/AFP via Getty Images)
