An Israeli military incursion into Syria has reached about 25 kilometers (16 miles) southwest of Damascus, Syrian security sources said on Tuesday, after Israel seized a buffer zone in southern Syria and launched airstrikes on Syrian army and air bases overnight. Israel’s military operation into Syria comes two days after the lightning overthrow of President Bashar al-Assad by an opposition alliance left Syrians, regional countries and world powers nervous about what comes next. A Syrian security source said Israeli troops reached Qatana, which is 10 kilometers (six miles) into Syrian territory east of a demilitarized zone separating Israeli-occupied Golan Heights from Syria.For all the latest headlines follow our Google News channel online or via the app.The Israeli military declined comment. Israel has said it will not become involved in conflict in Syria and that its seizure of the buffer zone was a defensive move. Egypt, Qatar and