A unilateral ceasefire called for by Kiev is under pressure after pro-Russian separatists attacked an Ukrainian military base and posts on the border with Russia, government forces said.
The fresh attack came just hours after the start of a ceasefire at 10 p.m. on Friday by Ukrainian forces, ordered by President Petro Poroshenko as part of his plan to end the rebel insurgency in the east of the country.
More top news
A Jack Russell Terrier from California has entered the record books after setting the fastest time to pop 100 balloons by a dog.
A woman who wants to use her dead daughter's frozen eggs to give birth to her own grandchild, has won a Court of Appeal battle.
June closes on a disappointing note