They were also used to deliver chemical weapons against Iranian troops.
They came near the Iranian troops, heard them shouting and laughing, and moved on past without a word.
Iranian troops using mountain warfare built up their forces on the heights surrounding the city.
It was not clear how many Iranian troops were involved in the assault.
Iranian troops are crossing the border without any opposition we can see.
Students trying to storm the embassy were thwarted by Iranian troops.
They expected that Iranian troops will re-establish the former structure of government and return them their lost welfare.
Iranian troops were said to be about six miles from the city before today's thrust.
That would be the signal for a massive airlift of Iranian troops and equipment to start.
But when that crisis subsided, the Iranian troops and equipment stayed.