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. Last Updated: 07/27/2016

Police Search for Explosives Following Bombings

With the nation jittery after car bombings near rebel Chechnya, police on Wednesday brought in a special robot to inspect a suspicious car in southern Russia and discovered an explosive in a Black Sea resort.

At least 23 people were killed in a series of car bombings over the weekend near Chechnya, which authorities called terrorist acts by rebels. Rebel leaders denied involvement. Police have appealed to Russians to report any unattended bags or suspicious objects spotted in public places.

An investigation into the blasts led police to a car parked in a neighborhood of summer cottages near the southern town of Cherkessk, Russian news reports said. A sapper robot was sent to check the vehicle for explosives, but after an hours-long operation Wednesday no bomb was found, the Interfax news agency reported.

Meanwhile, a bomb was found under a bench near a house in the Black Sea resort of Sochi and successfully defused, Itar-Tass reported. Investigators said it appeared to be an attempt at a criminal settling of accounts, rather than terrorism, because the bomb was planted in a relatively quiet street.

Another car bomb blew up in Moscow on Wednesday, injuring a child and one adult, Moscow city police said. No details or possible motive were given.

Seventy-nine people injured in Saturday's bombings remained hospitalized Wednesday, some of whom sought help days after the attack, Interfax reported.

Six suspects have been detained, said the head of the Russian prosecutor-general's office in the North Caucasus, Vladimir Kravchenko. One has been charged with terrorism, Kravchenko told Interfax.