Russian Foreign Minister Sergey Lavrov and US Ambassador to Libya Richard Norland have both called for calm and de-escalation in Libya after days of clashes have left several dead and dozens wounded across Tripoli and Misrata. “We stress the importance of supporting the United Nations in securing peace in Libya, under the auspices of the security council and without prejudice to any political party,” said Lavrov in a press conference today. The Russian foreign minister made the comments while visiting Cairo on the first leg of his diplomatic tour of African nations, after weeks of negotiation …