GAZA CITY -- Hamas security officials say Israeli aircraft targeted a Gaza City warehouse in a nighttime airstrike. The officials say the warehouse was empty and no one was injured. The Israeli military confirms the strike, saying the target was used by militants as a weapons warehouse. The military says aircraft also struck two smuggling tunnels under the Egypt-Gaza border.Palestinian militants launched a rocket and a mortar shell into Israel on Sunday, causing no injuries. Rocket fire by Gaza militants and Israeli retaliatory airstrikes have become nearly daily occurrences.