A police officer stands near a six-metre hole in the ice of a frozen lake, reportedly the site of the meteor fall, in the Chelyabinsk region, Russia. AFP

A ruler is used to examine fragments from the meteorite, strewed near an ice hole on lake Chebarkul, Russia. Reuters

A meteorite trail above a residential apartment in the Urals city of Chelyabinsk on 15 February. The giant piece of space rock streaked over the city with the force of 30 nuclear bombs dropped on Hiroshima, according to AFP. AFP

A view of the wall of a local zinc plant which was damaged by a shock wave from the meteor shower in the Urals city of Chelyabinsk. AFP

A meteorite contrail seen over Chelyabinsk. The space rock exploded a few dozen miles above Earth, but its pieces scattered over large areas of the industrial region. AP