Algerian security forces killed four armed Islamists in raids across the country over the weekend, press reports said Monday. Two armed suspects died Sunday in the Eddough mountains, near the eastern city of Annaba, after they failed to follow orders to surrender, the reports said, citing security officials.Another armed Islamist was killed Saturday in a clash with anti-terrorist security forces at Tebessa, near the Tunisian border while a fourth man died at Jijel, also in the east. His weapon was seized. The death toll from Islamist unrest in Algeria rose to about 50 last month, with security forces among those targeted.