David Cameron pledged help to bolster the police and army in Libya as he made an unannounced visit to the country.
The Prime Minister said Britain was ready to provide training and advice amid growing concern about the security situation in the region.
On a walkabout in the capital's famous Martyrs' Square, Mr Cameron was greeted by friendly locals.
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Uptown Funk, his collaboration with Bruno Mars, reached number one in the charts again this evening.
ITV News spoke to Nick Channing-Williams who described the freezing conditions on board the car ferry that caught fire earlier today.
A widespread frost will affect the UK due to plummeting temperatures along with a lingering fog in several areas.