KENNEDY SPACE CENTER -- Shuttle launch control scrubbed the launch of the shuttle Endeavour this morning at 1:55 a.m. EDT, with 2:47 left on the countdown clock. Several attempts to open the vents failed to reduce the amount of gaseous hydrogen to acceptable limits. Tanking was 98% complete when the scrub was announced.
The leak is the same issue that scrubbed the previous launch of STS-127. Details to follow.