Ukrainian rescue specialists remove debris at the scene of explosion causing partial collapse of block of flats in Ukrainian city of Lugansk. Ukrainian rescue specialists remove debris at the scene of an explosion which caused the partial collapse of a block of flats in the outskirts of the Ukrainian city of Lugansk, October 21, 2004. At least one woman was killed and several people seriously injured in the explosion, assumed to be caused by gas, according to reports from the Interfax agency. REUTERS/Alexander Khudoteply