Sameh Shoukry says stability in the country "primarily will have to be dealt with by Libyans."
Tunisia has built a 125-mile barrier along its border with lawless Libya.
The official release by the militant group's Tripoli wing shows the execution of three spies.
Washington is "watching the situation very carefully" but no decisions have been made.
Witnesses say some of the casualties were civilians.
The key developments that will change the region for better or worse.
But the Libyan official said he would like the United Nations to lift the arms embargo against his country.
Despite a few dust-ups over ISIS and Wall Street, there's much more consensus among Democrats than Republicans.
The group of commandos were ordered to leave immediately after arriving at Libyan air base.
The internationally recognized parliament in Tobruk and the rival parliament in Tripoli meet to discuss unity plan.
The U.N. has been negotiating for a year to get Libya's two rival governments and armed factions to end their war.
Representatives of the Tobruk and Tripoli parliaments have proposed an initial deal to form a national government.
The IOM estimates around 3,500 refugees have died while crossing the Mediterranean so far this year
A slow pragmatic approach will be more effective than bombings
The policewoman died in 1984 and triggered an 11-day siege of Libyan embassy in London
It was hit by anti-aircraft fire and crashed into the sea near al-Maya.
She was secretary of state in September 2012 when dozens of militants attacked a U.S. diplomatic mission in Libya.
Two veteran diplomats implore Trey Gowdy to wind up his committee's inquiry.