MOSCOW: Two traffic police were killed in an attack by radical Islamists in the southern Russian city of Astrakhan, the regional governor said Tuesday, the day after a suicide bomber allegedly hit the Saint Petersburg metro, reports AFP. "Last night, a group of radical Islamists... carried out a brazen attack on employees of the traffic police," Alexander Zhilkin said in a statement."The culprits opened fire on them with firearms and fled. Unfortunately, two traffic police officers died on the spot."