Iranian state television said today that more than 15 people were killed in riots which rocked Tehran, of whom more than 10 were members of anti-revolutionary terrorist groups the other five who died during Sunday's fierce clashes were killed by terrorist groups, the report said, without elaborating. Iranian reformist websites said on Sunday that security forces killed a nephew of opposition leader Mir Hossein Mousavi while police confirmed that five people died during the massive anti-government rallies in Tehran.