In Russia, Clashes between police and militants in the volatile southern province of Dagestan killed three law enforcement officers and four suspected militants. <br/><br/>The National Anti-terrorism Committee's spokesman, Alexander Polyakov, said two suspects holed up in a building in the town of Khasavyurt near Chechnya and died in a gunbattle that erupted yesterday after they refused to surrender. Two law enforcement agents also were killed.<br/><br/>In a separate clash in the town of Kaspiysk on the Caspian Sea, two men armed with knives attacked three police officers, killing one and wounding another before the third officer shot the assailants to death. <br/><br/>Police spokesman said, the attack occurred when the officers stopped to refuel their vehicle at a gas station. A flag bearing symbols of the Islamic State extremist group was found at the site of the attack.