One bandit was killed and another three escaped after an armed attack on police officers on the Kavkaz federal highway in Dagestan, Itar-Tass learnt on Saturday at the Kayakent district branch of the republican Investigation Committee. The incident took place at the Dzhemekentsky police post at 04.00. According to a source, policemen stopped a light-duty truck to check documents, but people in the truck opened fire at law enforcers. One attacker was killed by return fire, while another three, including the truck driver, fled from the place of the incident. An investigative group is now working at the place of the incident, and measures are taken to track down the escapees.