• In this Sunday, April 24, 2016, file photo made from video posted online by the Syrian Civil Defense White Helmets, Civil Defense workers run after airstrikes and shelling hit Aleppo, Syria. A military buildup in northern Syria coupled with heavy fighting and mounting civilian casualties spells the end of a cease-fire that for two months brought much needed relief to war-stricken Syrians, ushering in what could be an even more ruinous chapter in the country's five-year-old conflict. (Syrian Civil Defense White Helmets via AP video, File)

    Military buildup, fighting spells end of Syrian cease-fire

    BEIRUT (AP) — A military buildup in northern Syria, coupled with heavy fighting and mounting civilian casualties, spells the end of a cease-fire that for two months brought some relief to a war-weary country. The renewed violence is ushering in what could be an even more ruinous chapter in the 5-year-old conflict.