The death toll from a rebel incursion into a republic neighboring Russia’s separatist Chechnya climbed to almost 100 as police scoured the Caucasus for fighters who carried out the brazen attack. As a shaken Ingushetia began three days of mourning, the republic’s new acting interior minister — appointed after his predecessor was killed by the militants — said police had arrested five suspects. Three of them, detained in the largest town Nazran, “have already started to talk,” while two others, wounded, were not in a condition to be interrogated, the acting minister Beslan Khamkhoyev said. Full Story