Theresa May has been told she should mend relations with Russia to end terror by Russian politicians

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The Manchester terror attack was linked to Britain's insistence at playing on its own, Viktor Ozerov, head of the Russian upper house's defence and security committee said.

The huge claims come after 22 people were massacred at the Manchester Arena on Monday, and while victims remain in hospital having nuts and bolts removed from their bodies.

Senior senator Ozerov said: “We have said several times that - although the UK was the first country that refused to cooperate with us on the level of intelligence services - we are ready to share any information we have.

“And, of course, this now applies.’”

He said: “Unfortunately, what happened in Manchester is a lesson to the UK intelligence services that, without help from other countries, their work can fail.

“I commiserate with everybody who suffered or lost close ones in Manchester.”