Question to the Foreign, Commonwealth & Development Office:

To ask the Secretary of State for Foreign and Commonwealth Affairs, what discussions he has had with his US counterpart on the security implications for the UK and the US of the recent cyber-attack on Ukraine's electricity network.

The UK has a broad security relationship with the US and we have discussed this issue at both working and senior levels, as part of our regular exchange on security issues. Cyber security is one of our key national security priorities, which we set out in the Strategic Defence and Security review, published last November. The UK takes seriously any attempts to prevent critical infrastructure from delivering essential services to the public, and works closely with international partners, including the US, to protect ourselves from this threat.