Ukrainian President Petro Poroshenko orders his forces to cease fire and halt military operations for seven days against pro-Russia separatists in the country's east the first step in what he hopes is a concrete plan to end the conflict that has cost more than 350 lives.Poroshenko said troops would still return fire if attacked.Poroshenko spoke during his first trip as president to the troubled east. He met with residents of the town of Syvatogorsk in the separatist Donetsk region.