A suicide bomber killed two policemen and seriously injured two more in an attack outside a police headquarters in Khuchni in Dagestan. Chechnya’s interior minister said that Chechen jihadists are entering Syria via Turkey and Azerbaijan. President Putin said Russia would offer security assistance to Tajikistan along its Afghan border; he also warned that any foreign military intervention in Syria would be “aggression” that violated international law. Russia formally handed over control of the Bushehr nuclear plant to Iran.