A bomb has exploded on a bus in the sourthern Russian city of Volgograd, killing at least five people and injuring seven others, the National Anti-Terrorism Committee said in a statement.
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Chancellor George Osborne will seek to reassure financial markets on Monday morning following Britain's decision to leave the EU.
In his first outing since the referendum result, the lead Leave campaigner has outlined his vision for a post-Brexit Britain.
Becoming fresher, unsettled with rain at times as the week goes on.