British Prime Minister David Cameron is expected to announce new laws which will give the government more access to airliners' information about passengers, as part of broader anti-terror measures.
Britain raised its terror level to severe last week.
British Defense secretary Michael Fallon says the threat is serious.
IN: we're looking at these (00:58)
OUT: do more to stop them.
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CLIP: http://www.fsnradionews.com/feeds/0109jihadis-fallon1.mp3
ALT: The government is also expected to impose a temporary ban on British Jihadis currently fighting in Syria and Iraq from returning to the UK.
Adam Walker from Britain's Ahmaddiya Muslim Community says he would support the measure.
IN: As a bare minimum
OUT: for more noble reasons.
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CLIP: http://www.fsnradionews.com/feeds/0109jihadis-walker1.mp3