The plane was damaged Damaging and could not gain Getting altitude , causing Causation it to crash Catastrophe in the Los Rodeos gorge besides the runway .

The Grdelica train bombing occurred Coming_to_be on 12 April 1999 , when two missiles fired by NATO aircraft hit a passenger train while it was passing across a railway bridge over the Južna Morava river in the Grdelica gorge , some south of Belgrade , Serbia .