CNN  —  Israel’s military ground operation in southern Lebanon has been expanded, the country’s defense minister Israel Katz said on Wednesday. Katz did not clarify when the decision to expand operations was taken and did not offer any details on what the expansion entails. Israel launched what it described as a “limited ground operation ” to expel Hezbollah from southern Lebanon early last month. “We have expanded the ground maneuver in southern Lebanon and we are operating against Hezbollah