Theresa May demands answers from Russia over the Salisbury attack

British Prime Minister says Russian involvement was "highly likely"

Theresa May demands answers from Russia over the Salisbury attack

British Prime Minister Theresa May during a reception at 10 Downing Street | Image: Eddie Mulholland/Daily Telegraph/PA Wire/PA Images

Russia's ambassador to the UK is to face questions from the British Foreign Secretary Boris Johnson over the Salisbury nerve agent attack.

The British Prime Minister Theresa May has told the House of Commons it was "highly likely" Russia was behind the incident that left Sergei and Yulia Skripal in a critical condition.

She stated that a military-grade nerve agent, developed by the Russians, was used.

Mrs May said answers were needed from the Russian government by midnight on Tuesday.

However, Moscow has denied the allegations, and has accused Britain of "making up new fairy tales".