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A Palestinian man inspects the damage at a cheese factory which was targeted by an overnight Israeli airstrike in Gaza City on April 2, 2010. Image Credit: AP

Gaza City: Israeli aircraft have struck multiple targets in the Gaza Strip following a rocket attack on southern Israel.

No injuries were reported.

The Israeli military says aircraft struck four targets early Friday: two weapons-making factories and two weapons-storage facilities.

Hamas security officials say 10 sites were hit: a cheese factory, a movie-making complex built by the territory's Islamic militant Hamas rulers and open areas where militants train.

The military said the airstrikes came in response to a rocket attack Thursday, which caused no injuries.

A string of recent Palestinian rocket attacks on southern Israel has ratcheted up tensions.