Russian security sources said that one person has been injured in an explosion in the southern Russian city of Rostov-on-Don, Russia Today reported. 

The blast reportedly took place near a school.

The explosive device detonated when a man picked it up off the ground.

"A homeless man found a package and decided to check its contents, which included a flashlight," a National Guard official said. 

When the man tried to switch the flashlight on, it exploded. The man had his hand blown off, the official added.

Source: MENA