Two rockets have been fired from the Gaza Strip into Israel, a day after more Israeli air strikes on the territory.
Israeli military officials say one rocket exploded south of the port city of Ashdod and the other landed north of it on Thursday.
There are no reports so far of casualties.
There are growing cross-border tensions between Israel and the Gaza Strip.
The BBC's reports there were at least three Israeli airstrikes as well as artillery fire on targets in Gaza on Thursday.
Rockets fired from Gaza into southern Israel on Wednesday prompted Israeli air strikes east of Gaza City later in the day.
The Islamic Jihad group said it carried out the earlier attacks in reprisal for the killing of eight Palestinians near Gaza City on Tuesday.
On Wednesday, a bomb a bus stop in Jerusalem killed one person and wounded many others.