Deletion of Derman tragedy

Comment: This is mainly unsourced, therefore failing  and seems to mostly contain OR (it could have been lifted from somewhere also). So, it's a clear delete case in my book
Stance: delete
Cited policy: Wikipedia:Notability (WP:GNG)

Comment: lacks SIGCOV in multiple RS and so fails 
Stance: delete
Cited policy: Wikipedia:Notability (WP:GNG)