British citizens currently stuck in the Middle East have told the BBC there has been a lack of information about available routes to travel home as Iran's retaliatory strikes across the region continue.
Teigan McFadden's flight home from Dubai on Tuesday was cancelled and the 21-year-old says she is running out of her heart medication, while another family told the BBC they were stranded in Oman after their flight from Malaysia was diverted.
Air travel in the Middle East has been severely disrupted since Saturday, with thousands of flights cancelled.
Foreign Secretary Yvette Cooper told MPs on Tuesday that the "safety and security" of British nationals was a "top priority".
Darren Jones, chief secretary to the prime minister, told BBC Breakfast that people should register their presence with the Foreign Office for the latest government advice and updates.
