Israel’s military has stepped up strikes in central Gaza , hitting the Bureij and Maghazi refugee camps, as well as the city of Deir al-Balah, where it had urged residents to flee two days before. At least 70 people were killed in an Israeli strike on a residential block in Maghazi late Sunday, the Gaza Health Ministry said. In Bethlehem, Christmas Eve was somber and quiet, with public celebrations canceled. At a midnight Mass, the Latin patriarch of Jerusalem asked people to look for the light.