Turkish teams race to rescue sick American in 1km-deep cave

Mark Dickey developed gastrointestinal bleeding while down in Morca cave with other explorers

Turkish rescue teams are racing to save an American who developed internal bleeding while exploring a cave more than 1,000 metres (3,300ft) below ground level.

Turkey's caving federation said on Thursday that 150 rescuers were trying to reach Mark Dickey, 40, who developed gastrointestinal bleeding while deep inside the Morca cave, near Turkey's Mediterranean coast.