Here's a video from RFE/RL's Ukrainian Service:
Government Troops Clash With Russia-Backed Separatists In Eastern Ukraine
Ukrainian government forces exchanged gunfire with Russia-backed separatists in the village on Maryinka during the night of July 28. It was the latest breach of the cease-fire in eastern Ukraine
The OSCE responds to a report by Andrew Kramer in The New York Times that suggested the organization's observers in eastern Ukraine were only out monitoring during "banking hours", thereby missing most of the hostilities, which usually occur at night: