At least 36 people were killed during the weekend's clashes between Libyan Special Forces and Islamist militants in Benghazi, security officials said.
The government said more than 150 people have died, many of them civilian, in the capital Tripoli and Benghazi in two weeks of fighting as clashes forced UK and other foreign diplomats to pull out of the country.
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After a global IT crash caused chaos, BA says it aims to run a "near normal schedule" at Gatwick and the "majority of services" at Heathrow.
Georgina Callander's family said the government must "opens its eyes" in the wake of the attack.
Thunderstorms affect many throughout the rest of the Bank Holiday weekend.