In the short term, the decision to allow a free vote makes it easier for David Cameron to achieve a parliamentary majority in
favour of airstrikes, even if some Conservative MPs rebel.
Reports suggest a majority of shadow cabinet members are likely to vote in
favour of airstrikes.
Woodcock, who plans to vote in
favour of airstrikes on ISIS targets in Syria, was unimpressed by comments Lewis had made to the BBC and challenged him in Portcullis House, where MPs have their offices.
Not exact matches
A majority
of its members
favour backing
airstrikes in spite
of the four conditions laid down by Labour's conference only two months ago not being met.
In Monday's shadow cabinet meeting, MPs agreed that Corbyn would open Labour's argument in Wednesday's Commons debate by opposing
airstrikes while shadow foreign secretary Hilary Benn will close the debate with an argument in
favour of the government's motion.
After a 10 - and - a-half hour debate, they voted 397 to 223 in
favour of Britain joining the US - led coalition carrying out
airstrikes in the country.
Mr Benn is also disliked by some Labour supporters for voting in
favour of extending
airstrikes against Islamic State to Syria last year.
Eleven
of the 28 members
of the shadow cabinet, including Benn and Eagle, voted in
favour of extending
airstrikes against Islamic State to Syria, a move Corbyn strongly opposed.