Cypriot police have raided the offices of the Cypriot airline whose passenger jet crashed in Greece killing all 121 people on board.
Police searched the offices of Helios Airways in the coastal city of Larnaca, near Cyprus international airport, after obtaining a search warrant from the city's court.
Children light candles at a ceremony for the victims of Helios Airway's plane crash, in the central Eleftheria square in Nicosia, Cyprus
There were no arrests and it was not immediately clear whether police had confiscated any material.
The airline also confirmed that the text message, reportedly sent by one of the passengers to a relative moments before the plane crashed into mountains north of Athens, was a hoax.
A spokesman for the airline said: "We can confirm that we are co-operating with police in Cyprus in accordance with usual practice following this tragic event. . . . There has been no question of our failing to co-operate with the authorities at any time."
The Boeing 737 jet had been heading from Larnaca to Athens and was due to fly on to Prague. Two Greek F-16 fighter jets were sent to intercept the plane after it apparently suffered a catastrophic loss of cabin pressure or oxygen minutes before it was due to land.
A spokesman for the Cypriot airline
One of the fighter jet pilots reported seeing the airliners co-pilot slumped unconscious over the controls.
It had been widely reported that one of the passengers sent his cousin a text message minutes before the crash, saying the pilots were unconscious and adding: "Farewell, cousin. Here, we're frozen".
The Cypriot carrier said last night that the message had been a hoax and that the man who claimed to have received the text message was being questioned by police.