CNN (USA), BBC NEWS (UK), AL JAZEERA (Qatar)
According to Al Jazeera, U.S. President Barack Obama has urged Egypt to uphold its commitments to defend U.S. diplomatic facilities after flags were torn down and replaced with Islamic banners.
In Cairo, police have fired tear gas at about 500 protesters near the U.S. embassy during violent clashes.
BBC News reports that the streets around the U.S. embassy in Egypt have been blocked with barbed wire, concrete and police trucks as more anti-American demonstrations are expected after prayers on Friday.
A coalition of Islamist groups and others have called for a peaceful "million-man march" in the city later on Friday (watch video below):
In Egypt, 224 people have been injured since the beginning of the protests. Four people were killed and 34 wounded Thursday in Sana’a, Yemen, reports Al Jazeera.
In Libya, where the U.S. ambassador and three embassy staff were killed during protests in Benghazi on Tuesday, one of the four perpetrators of the killings was arrested said Libya's Prime Minister.
The United States is trying to determine whether the violence was part of a pre-meditated attack by a militant group.
Meanwhile, YouTube has blocked the access to the video in several Muslim majority countries.