Ukrainian museum worker killed and 10 hurt in Russian attack

A Ukrainian soldier smiles as a major counter-offensive is expected (Libkos/AP)

A Russian missile has hit a museum building in a Ukrainian city, killing a worker and injuring 10 other people.

The Russian military used S-300 air defence missiles to attack Kupiansk in the Kharkiv region, hitting the museum of local history in the centre of the city.