Night-time rocket strikes spread fear in east Ukrainian city

Firefighters work to extinguish a fire as they look for potential victims after a Russian attack that heavily damaged a residential building in Sloviansk, Ukraine (Leo Correa/AP)

It is at night that residents of the eastern Ukrainian city of Sloviansk are most afraid, when rocket and artillery attacks happen more frequently.

Shells and rockets slam into gardens and apartment buildings, sending chunks of masonry and shards of glass hurtling through the darkness.