<p>GAZA CITY, Gaza Strip &mdash; The Israeli military says Palestinian militants fired a rocket from Gaza into the country’s south Friday, the second incident in 24 hours.</p>
<p>The rocket caused no damage or injuries.</p>
<p>Early Friday, Israeli aircraft hit three facilities operated by Hamas, the militant group ruling Gaza, including weapons manufacturing and smuggling sites, in response to the previous rocket attack.</p>
<p>The Israeli response came after the military said a projectile fired from the Gaza Strip Thursday evening landed in south of the country. That rocket broke weeks of relative cross-border calm. There were no reports of damage or casualties. Sirens warning of incoming rockets sounded in the Negev Desert town of Sderot and its surroundings.</p>
<p>Israel blames Hamas for any attack emanating from the Palestinian enclave.</p>