US Agents on Honduran Military Operation Drug Enforcement Administration officials said Wednesday their agents were working with Honduran military forces aboard a helicopter during an anti-drug operation in which at least four people were reportedly slain. Human rights organizations and Honduran news media report that at least four people were killed and several more were wounded when forces aboard the helicopter fired on a boat Friday night in eastern Honduras. "We were there in a support role, working with our counterparts," said DEA spokeswoman Dawn Dearden in Washington D.C. US government officials speaking on condition of anonymity because their statements had not been authorized said Honduran law enforcement did not initiate fire, but returned fire after being attacked. The officials also said the DEA agents did not fire. When asked about the shooting, U.S. Embassy official Matthias Mitman in Tegucigalpa provided a written statement that said "the U.S. assisted Honduran forces with logistical support in this operation" as part of efforts to fight narcotics trafficking. The shooting took place on a river in northern Honduras, and national newspapers in Honduras quote local officials as saying the say the victims were fishing. The State Department says 79 percent of all cocaine smuggling flights leaving South America first land in Honduras, and the U.S .has been working with the Honduran military to stop the drug dealers. The DEA maintains an office in the capital Tegucigalpa.