Facts so far: Gulf Arab states, Egypt, sever ties with Qatar over terrorism

-- Qatar has been expelled from a Saudi-led coalition fighting in Yemen.

Three Gulf Arab states and Egypt severed their ties with Qatar on Monday in a dispute over Doha's support for Islamist groups, in particular the Muslim Brotherhood, which they regard as a political enemy.

-- Saudi Arabia, the UAE and Bahrain cut diplomatic and consular relations with the state of Qatar and will close all ground, sea and air ports to forbid transit, state news agencies said.

-- It was not immediately clear when these measures would be implemented. Saudi Arabia said it would "begin immediate legal measures with friendly, sisterly countries and international companies to implement that measure as quickly as