Theresa May says that the Metropolitan Police have made a number of adjustments to their arrangements ahead of London Marathon following Boston bombs.
Ms May says that although there was no COBRA emergency meeting following Boston, she was briefed on Tuesday and "appropriate people have been sitting round the table."
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French President Francois Hollande today led a memorial service to the 130 victims of the Paris attacks in the city.
Cameron announces Commonwealth nations intention to set up specialist unit to target extremist "scourge" fuelling international terrorism.
People across France display the Tricolore in tribute to the 130 victims of the Paris attacks ahead of a memorial service in the city.