Israeli strikes killed at least 48 people in southern and central Gaza overnight, half of them women and children, health officials said Thursday. European foreign ministers and UN agencies called for a ceasefire, with alarm rising over the worsening humanitarian crisis and potential starvation in the territory. Tensions were also rising in the Israeli-occupied West Bank, where three Palestinian gunmen on Thursday opened fire on morning traffic at a highway checkpoint, killing one person and wounding five others, Israeli police said. Israel’s defense minister, Yoav Gallant, announced Thursday …