The supreme leader of Egypt’s Muslim Brotherhood has been arrested, dealing a serious blow to the group as it tries to maintain street protests over the removal of president Mohammed Morsi.

Islamic militants attacked a hotel serving alcohol in a Yemeni city, killing two people and wounding 20 before torching the building.

New York and Washington are on high alert this weekend after officials received "credible" information that al-Qaida are planning to carry out further attacks to coincide with the anniversary of 9/11.