After a rocket attack from the Gaza Strip, the Israeli Air Force fired on targets in the Palestinian Territory on Sunday night.
The Israeli army announced that a rocket workshop belonging to the Islamist Hamas organization, which rules in the Gaza Strip, and a Hamas tunnel in the southern part of the coastal strip were hit.
The fighter jets were fired on from the Gaza Strip, and a military post in the Mediterranean area was then attacked.
A few hours earlier, militant Palestinians had fired a rocket from the Gaza Strip at the Israeli border area for the first time in about a month.
It was initially unclear which group was responsible for the attack on southern Israel.
Most recently, several rockets were fired from the Gaza Strip at Israel in early November.
Two members of the militant Palestinian organization Islamic Jihad were killed during an Israeli military operation in the West Bank on Thursday night.
Islamic Jihad is particularly active in the Gaza Strip and repeatedly carries out rocket attacks from there.