Eastern Ukraine is still formally under a ceasefire, as it has been for the three months following the signing of the Minsk agreements in February. But almost every day since then, the Ukrainian army and the pro-Russian rebels have continued to fight, shelling and shooting at each other.
Russia's War Against Ukraine
International Business Times: Ukraine ceasefire may be fbout to die officially as violations reach peak – or Moscow may cool off conflict

Armed pro-Russian rebels of the self-proclaimed Donetsk People's Republic prepare their tanks to take part in rehearsals for the Victory Day parade in Donetsk on May 5, 2015.