WARSAW (Reuters) – Polish rescue workers have reached a miner trapped underground since a tremor shook the Borynia-Zofiowka mine in southern Poland on Saturday morning, an official at the pit said on Tuesday. Two mines belonging to state-owned JSW have seen fatal accidents over the past week, and Poland’s prime minister has said safety standards will be checked. “Just before 3 p.m. a team from the Central Mine Rescue Station reached one of the victims,” Marcin Golebiowski, a director at the mine was quoted as saying by state-run news agency PAP. “Currently, an attempt is being made to get him …