Mohammed Hijaila was killed and another man seriously wounded early today during the airstrike, the health ministry in the Hamas-controlled enclave said, confirming he was a member of the movement's militant wing.
Israel confirmed the strikes, saying they were retaliation for gun fire.
"In response to the explosive device that was detonated against an engineering vehicle of the (army) yesterday, Israeli fighter jets struck military targets in the Gaza Strip," the Israeli army said in a statement.
"After the strike, a terror cell fired with machine guns at an (Israeli) aircraft, without actually harming it. (Israeli) aircraft intercepted the terror cell." At least 32 Palestinians in Gaza have been killed by Israeli forces since March 30.
Most died during major protests along the border but others have been hit by tank fire.
Islamists Hamas have controlled Gaza since 2007 and have fought three wars with Israel since.
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