MOSCOW, July 24 (RIA Novosti) - An explosion hit a convoy of border guard vehicles in southern Russia, and an uncertain number of casualties have been reported, the Interior Ministry said Monday.
The source in the ministry said the blast occurred at 6.30 p.m. Moscow time (2.30 GMT) near a local hospital in Nazran in Russia's North Caucasus republic of Ingushetia.
"The explosive device went off at a moment when two vehicles with border guards were passing by," the source said.
The source said that the blast had injured a border guard.
"So far, criminal investigators have discovered fragments of an explosive device," he said.
Another three cars were at the site at the moment of the blast, but have left the site independently. The number of possible casualties among the passengers is being clarified. Preliminary reports suggest the explosive device had power of 3kg of TNT equivalent.
