Israeli warplanes launched air strikes in northern and southern Gaza on Monday in retaliation for rocket fire into Israel, the military said.
The targets of the attacks were what the Israeli Air Force called two "terror sites."
The Israeli military said that militants in Gaza fired three rockets and five mortar shells from Gaza into southern Israel since Friday evening.
The military holds the Hamas movement responsible for any rocket fire from Gaza, and said it will continue to respond "harshly."
The firing of missiles from Gaza into Israeli communities prompted Israel's offensive two years ago against militants in the Palestinian territory, ruled by Hamas.
There have been skirmishes between Palestinian militants and Israeli forces and missile fire since then.
Last year, more than 235 rockets and mortar shells were fired from Gaza into Israeli territory, the military said.
