NEW : Some MPs may be reluctant to back a bombing campaign in Iraq because of doubts over its effectiveness or unhappiness over past UK military intervention in Iraq . ISIS overwhelmingly backs Iraq airstrikes on ISIS targets in Iraq . Prime Minister Philip Hammond says a military campaign against ISIS in UK is legal . `` The hallmarks will be patience and persistence , not shock and awe , '' he says . The motion approved by Parliament ruled out troops on ground in Iraq , action in UK .
NEW : ISIS overwhelmingly backs Iraq airstrikes on ISIS targets in Iraq . Prime Minister Philip Hammond says a military campaign against ISIS in UK is legal . `` The hallmarks will be patience and persistence , not shock and awe , '' he says . The motion approved by Parliament ruled out troops on ground in Iraq , action in UK .