MOSCOW (Reuters) - A bomb exploded on Friday at a police checkpoint in Russia's restive southern province of Ingushetia bordering Chechnya but no one was hurt, Itar-Tass news agency reported.
It quoted local law enforcement officials as saying asecond homemade bomb, made from a hand grenade and a mobilephone, was found after the blast near the checkpoint situatedoutside the village of Troitskaya.
A roadside bomb damaged two Russian armoured personnelcarriers in Ingushetia on Wednesday.
Ingushetia, one of Russia's poorest regions, has seen arise in violence, including attacks on police and the military.
Ingushi authorities blame Muslim radicals, both local andcrossing from neighbouring Chechnya, for the attacks. Theiropponents say the new bout of violence is a result of the localgovernment's ineffective and repressive policies.
In Chechnya, which has been relatively calm in the past fewyears, nine people died late on Wednesday in clashes betweensecurity forces and separatist rebels.
(Writing by Oleg Shchedrov, editing by Tim Pearce)