Poisoned former Russian double agent Sergei Skripal wrote to Vladimir Putin asking to be pardoned and to be able to visit his home country, a friend has said.

Theresa May is pressing for a united statement from the European Union condemning Russia for the nerve agent attack in Salisbury.

Jeremy Corbyn has said he would still do business with Vladimir Putin despite "all fingers" pointing towards Russia being responsible for the Salisbury spy incident.