What was the cause of the plane crash? [originaltext] A Cypriot plane full of

A Cypriot plane full of vacationers slammed into a mountainside north of Athens on Sunday after at least one pilot lost consciousness from lack of oxygen, killing all 121 people aboard, more than one third of them children. The cause of Greece’s deadliest plane crash appeared to be technical failure resulting in high-altitude decompression and not terrorism, authorities said. A transport official said the 115 passengers and six crew may have been dead when the plane went down.