BALTIMORE'S Dali cargo ship sent a desperate mayday call before crashing into Francis Scott Key Bridge, officials have confirmed.
The dramatic footage reveals the key moments before the 1.6 mile bridge snapped and fell into the water at around 1.30am local time .Horrifying moment Maryland's Francis Scott Key Bridge collapses sending entire structure crashing into Patapsco River Baltimore officials said at least seven vehicles plunged 184ft into the water - and six people remain unaccounted for and could be in the freezing river.
Meanwhile, Michael Brown said he thought he was being fooled when someone told him the bridge had collapsed.