People walking past the Qatar Airways branch in the Saudi capital Riyadh, after it had suspended all flights to Saudi Arabia following a severing of relations between major gulf states and gas-rich Qatar.

Saudi Arabia, Egypt, the UAE and Bahrain severed their ties with Qatar on Monday, accusing it of supporting terrorism and opening up the worst rift in years among some of the most powerful states in the Arab world. Yemen, Libya's eastern-based government and the Maldives joined in later.