One person was killed and at least seven were injured in an attack on an environmentalist camp in the Irkutsk Region in southeastern Siberia early Saturday, a local police source said. Police said at least 15 assailants raided a tent camp at the Yelovskoye Reservoir near the city of Angarsk occupied by a group of protesters against reprocessing of nuclear waste at a local plant. "The attack on a tent camp occurred at 5.10 am Moscow time (1.10 am GMT) Saturday. At least 15 attackers raided the camp occupied by 21 environmentalists," the source said. "A 21-year-old man was killed and seven people were hospitalized with injuries," he said. Police said they have detained two suspects in the assault and identified at least 13 others. A criminal investigation has been launched in connection with the attack.