May and Corbyn outline Trident arguments
Media playback is unsupported on your device
Video

Trident vote: Theresa May and Jeremy Corbyn in Commons

MPs are to vote on whether to renew the Trident nuclear weapons programme.

During a debate in parliament, Prime Minister Theresa May told MPs that the UK's nuclear submarines were the "ultimate insurance against nuclear attack".

Labour leader Jeremy Corbyn said the funds involved in Trident renewal were "massive".

Go to next video: Does Britain need nuclear weapons?