Flights security

British PM says bomb likely caused Russian airliner crash

British Prime Minister David Cameron said on Thursday it was increasingly likely a bomb brought down a Russian airliner over Egypt with the loss of 224 lives, and U.S. President Barack Obama said Washington was taking that possibility "very seriously".

But Moscow, which launched air strikes against Islamist fighters including Islamic State in Syria more than a month ago, said it was premature to reach conclusions that the flight was attacked.

In a telephone call, Russian President Vladimir Putin told Cameron it was important that assessments of the cause of the crash last Saturday be based on information from the official investigation, Interfax news agency reported.