Survivors react after seeing the damage caused by an earthquake in the eastern Turkish city of Van October 23, 2011. A powerful earthquake which shook southeast Turkey on Sunday may have killed up to 1,000 people as it triggered the collapse of dozens of buildings across the region, media reported the Kandilli Observatory as saying. Emergency workers battled to rescue people trapped in buildings in the city of Van and surrounding districts on the banks of Lake Van, near Turkey's border with Iran. Some 10 buildings collapsed in Van city and about 25-30 buildings were brought to the ground in the nearby district of Ercis, Deputy Prime Minister Besir Atalay told reporters...