By Cynthia Kim and Heekyong Yang SEOUL (Reuters) – South Korean steelmaker POSCO said on Sunday will halt some of its plants in the country due to a lack of space to store finished products, which have not been shipped due to a strike by truckers who are demanding higher pay as fuel prices surge. POSCO follows automaker Hyundai Motor in cutting production lines as the strike by thousands of truckers disrupted cargo transport at the country’s industrial hubs and major ports. “Some production at our Pohang steel plants is set for suspension, and we are not yet certain how long this suspension wi…