BBC: Russia is to expel four UK diplomats in the continuing row over Moscow's refusal to extradite the man suspected of Alexander Litvinenko's murder.
The four diplomats must leave Russia within 10 days, and Moscow is to review visa applications for UK officials.
Foreign ministry spokesman Mikhail Kamynin said co-operation in counter terrorism would no longer be possible. Russia expels four UK diplomats (more)
Mark Alexander
