Chechen rebels kept up their daily attacks on Russian outposts and military convoys in this separatist republic, killing four servicemen and wounding 11 in the past 24 hours, an official said Tuesday. Meanwhile, the envoy who reports on Chechnya (news – web sites) to Europe’s oldest human rights body began meetings in Russia to evaluate progress toward bringing peace to this troubled region, where Russian forces have battled separatists for five of the past eight years. Federal positions came under fire 15 times across Chechnya, an official in the Moscow-backed Chechen administration said. Four servicemen were killed and six wounded, the official said, speaking on condition of anonymity. In the Ulus-Kert village in the mountainous Shali district, rebels ambushed an armored personnel carrier, wounding five soldiers. Full Story