Commander Richard Walton, head of the Met's Counter Terrorism Command has welcomed the invitation to visit Libya and discuss taking the Wpc Yvonne Fletcher murder inquiry further forward with authorities there.
Mr Walton said:
"We have never lost our resolve to solve this murder and achieve justice for Yvonne's family. We see today's announcement as significant."
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Friday will be largely dry with a mixture of cloud and some sunny spells, the best of these in the morning.
Thousands of cancer patients are dying in hospital every year against their wishes, according to a new report.
The Cancer Drugs Fund, which cost £1.27 billion, didn't deliver "meaningful value" to patients - and even put some at risk of side effects.