Fighting erupted amid attempts at new cease - fire in eastern Ukraine . Pro - Russian separatists attacked with grenades , weapons fire , Ukrainian officials say . Ukrainian police repelled a separate attack at a house nearby . CNN 's Laura Smith-Spark and Victoria Butenko contributed to this report . Kremlin statement says Putin supports a cease - fire .
Fighting erupted amid attempts at new cease - fire in eastern Ukraine . Pro - Russian separatists attacked with grenades , weapons fire , Ukrainian officials say . Ukrainian police repelled a separate attack at a house nearby . Kremlin statement says Putin supports a cease - fire .