The prime minister set out the position very clearly last week. The police and CPS have identified these men as the prime suspects of the attack in Salisbury.

These men are officers of the Russian military intelligence, the GRU who used a devastating toxic, illegal chemical weapon on the streets of our country. The government has exposed the role of the GRU, its operatives and its methods. This position is supported by our international allies.

We have repeatedly asked Russia to account for what happened in Salisbury in March. They have replied with obfuscation and lies. I have seen nothing to suggest that has changed.