Turkish volunteers clear the rubble from a destroyed house in Istanbul.
A dozen countries from around the globe are now placing search and rescue teams on the scene to help overwhelmed Turkish searchers rescue survivors. Nearly 11,000 persons are believed injured, and many remain trapped within crumbled apartment buildings. Early Wednesday, Turkey's state-run Anatolian news agency placed the death toll at 2,138. The quake shook the country's industrial heart at 3 a.m. local time Tuesday. Hardest hit was the northwestern industrial city of Izmit.