Us ambassador to libya dies
White House contacted hours after Benghazi attack
White House informed of militant claim two hours after September 11 Libya attack.
A senior official told lawmakers that US diplomatic security in Libya was weak.
US investigators visited the compound in Libya where ambassador was killed.
Hillary Clinton pledged a full audit of the deadly Benghazi attack that killed the US ambassador to Libya.
US officials sought more security before Benghazi attack that killed US ambassador.
Obama called for an end to intolerance and violence while warning Iran against nuclear arms.
At least 50 people were involved in a Benghazi attack that killed a US ambassador.
Libya has fired its security chiefs in Benghazi for the attacks that killed the US ambassador.
The US embassies in Yemen are attacked in protest of a 'blasphemous' video on Prophet Mohammad.
Barack Obama vowed to "bring to justice" the gunmen responsible for an assault to a US ambassador.