Israeli Air Force fighter jets struck an underground arms smuggling tunnel in southern Gaza Strip overnight, following Sunday night's Qassam and mortar shell fire from the Strip at Israel .
The pilots reported hitting their mark. The Reuters news agency quoted Hamas sourcesas saying no injuries were reported in the strike.
Two mortar shells fired from northern Gaza Sunday landed within the Palestinian side of the security fence, causing no damage or injuries.
The day also saw a Qassam rocket fired atthe western Negev. The rocket landed in an open area near the Sdot Negev Regional Council. No injuries or damage were reported.
The Color Red alert reportedly failed to sound at the launch, which was detected only by the explosion, heard by IDF soldiers stationed near the security fence.
The last Qassam fire at Israel prior to Sunday night took place on July 16.