Russian Foreign Minister Sergei Lavrov speaks during a news conference after a meeting with his Indonesian counterpart Retno Marsudi in Moscow, Russia March 13, 2018. REUTERS/Sergei Karpukhin

MOSCOW (Reuters) - Russian Foreign Minister Sergey Lavrov said on Tuesday the British government had refused to provide Moscow access to materials related to poison attack on Russian former double agent Sergei Skripal and his daughter.

(This refiled version of the story corrects spelling in headline).