It comes after Andy Burnham said Moscow had tried to interfere in the 2016 referendum.
Read the complete, original reporting at BBC Politics for the full story, additional context and any updates.
MI5 chief warns against overstating Russian interference in Brexit vote
It comes after Andy Burnham said Moscow had tried to interfere in the 2016 referendum.
This is a summary aggregated from BBC Politics.
Continue reading the full article at BBC Politics.
