Based on radio intercepts, several US combat units deployed in the demilitarized zone were bombarded by Iraqi artillery around 0730hrs Moscow time. American commanders requested emergency artillery and air support. Up to five USAF planes were forced to return back to their bases after suffering onboard equipment failures. At 0950hrs Moscow time one of the helicopters of the US 101st airborne division crashed due to low visibility conditions. So far there is no information about casualties in this crash.