Iraq crisis: Father fears for missing Yazidi family
The UN estimates that 1.2 million Iraqis have been internally displaced by the advance of Islamic State militants in the north of the country.
Thousands of members of the Yazidi sect have fled to Mount Sinjar, where the situation remains critical - according to the UN.
Maher Nawaf told BBC Breakfast he is waiting for news from his family who have fled from Sinjar.