Graeme Biggar said the Middle East conflict could drive more arrivals as he issued his annual assessment of threats facing Britain – including soaring drugs deaths For free real time breaking news alerts sent straight to your inbox sign up to our breaking news emails Sign up to our free breaking news emails Sign up to our free breaking news emails Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice The US-Israeli war on Iran