Refugees trapped in their vehicles after a missile hit the convoy they were travelling in were "burned alive," a Ukraine military spokesman has said.
"The force of the blow on the convoy was so strong that people were burned alive in the vehicles - they weren't able to get themselves out," military spokesman Anatoly Proshin told Ukrainian news channel 112.ua, Reuters reported.
Around 500 people a day have been fleeing Luhansk, a pro-Russian separatist stronghold that has been battered by months of fighting between rebels and Ukrainian forces and left almost entirely without water and electricity for more than two weeks.
More top news
Talks at Stormont aimed at restoring power-sharing have adjourned with little sign of the DUP and Sinn Fein reaching an agreement.
On Wednesday, the rain will roll northwards - a few hours of solid rain in the east and over the Pennines.
Jeremy Corbyn has challenged Theresa May to better fund the police and fire services by backing a Labour amendment to the Queen's Speech.