Three police officers were killed in a suicide bombing in a town near the restive region's capital, authorities in Chechnya said Tuesday. A spokesman for the Chechen Interior Ministry, Magomed Diniyev, said the blast took place about midday at a gas station-carwash complex in the town of Mesker-Yurt. The attack was the latest in a rising wave of violence against police and soldiers in Russia's North Caucasus. At least 25 people died in the August 17 suicide truck bombing of a police station in neighboring Ingushetia. Separatist rebels and Russian troops fought two full-scale wars in Chechnya over the past 15 years, and small clashes persist.