Militants continue shelling in Luhansk region, having violated the ceasefire four times during the night, said a spokesperson for the anti-terrorist operation in east Ukraine.

"There were three attacks from BM-21 'Grad' (multiple rocket launchers). In particular, about 80 Grad rockets caused damage to the Ukrainian armed forces near the Bakhmutka highway and about 40 covered the town of Novotoshkivske," the spokesperson said on Facebook on Tuesday morning.

Militants also launched one mortar attack against the ATO (anti-terrorist operation) forces near the village of Zolote, no soldiers were killed.

Militants did not shoot throughout the day yesterday and only started firing at nighttime, the spokesperson said.