Britain may have to "revisit" its position on Iraq if the threat to national security becomes too much.
Former Army officer Col Bob Stewart MP told ITV News: "Things happen and circumstances change, and if our country is threatened by people from the Islamic State, our national interest, our people are threatened, we may well have to revisit that situation."
ITV's Deputy Political Editor Chris Ship reports:
More top news
Dan Rivers explores the island community made up of descendants from Bounty mutineers, with a story worthy of a Hollywood sequel.
The US president raised laughs as he read out a series of insults about himself - but it ended with a tweet from Trump himself.
Experts have warned pregnant woman to avoid non-essential travel there.