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Residents flee Iraq's second city

Iraq's prime minister has called on parliament to declare a state of emergency after militants take control of the city of Mosul.

Iraq's prime minister has asked parliament to declare a state of emergency after Islamist militants effectively took control of the country's second biggest city.

Unverified video footage from Mosul shows militants from an al-Qaeda offshoot, ISIS, driving through the streets with the group's black flag waving past burning government vehicles.

Thousands of residents are fleeing the city.

BBC's Arabic editor Mohamed Yehia reports.