The American tourist, that was seriously injured by a makeshift firecracker during the Resurrection service on Saturday on Santorini, on Tuesday remains hospitalised at the intensive care unit of Venizelion Hospital of Heraklio (Crete) in critical condition.

Three persons aged 28, 24 and 16 were arrested yesterday alleged to be involved in the case, whereas on Sunday, police arrested two persons aged 34 and 23, alleged to be responsible for the explosion.

Two more US citizens and a 50 year-old Greek were seriously injured while two Cypriots and a 23 year old Greek were slightly injured.