Israeli war planes carried out a series of strikes in the Gaza Strip early Friday, the army said, shortly after a rocket from the Palestinian enclave struck the Jewish state.
A statement from the army said that "in response to rocket fire toward Israel," its "aircraft targeted a terror infrastructure site in the central Gaza Strip and three concealed rocket launchers in the northern Gaza Strip."
"Direct hits were confirmed," the statement read.
There were no immediate reports of injuries in Gaza.
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Late Thursday night a projectile fired from the Islamist Hamas-run enclave hit southern Israel, a police spokeswoman told AFP, causing no harm or damage.
Early on Thursday, a Palestinian youth was shot in the leg by Israeli soldiers near the border fence in the northern Gaza Strip, with the army saying he had been damaging the border fence.
On Sunday, Palestinians said two people were wounded by Israeli tanks in central Gaza.
Exchanges of fire between the sides peaked last Tuesday, when a sniper inside Gaza killed an Israeli repairing the border fence.
Israel retaliated against "terror sites" in Gaza with warplanes and tanks, killing a toddler and wounding at least six people.