Israeli warplanes launched a double air strike overnight on targets in the Gaza Strip after militants fired two rockets at the Jewish state, Palestinian and Israeli military officials said on Sunday. No casualties were reported in Gaza or Israel.<br/> The Israeli aircraft twice struck a target in the area of the disused and wrecked Gaza airport at Rafah in the south, bordering Egypt.<br/> An Israeli military spokesman said the raid was "in response to rocket fire" yesterday, and that the target was a tunnel "used to infiltrate terrorists" into Israel.<br/> Palestinian militants in the densely populated enclave had fired two rockets at southern Israel on Saturday, causing neither casualties nor damage, the military said. It was the second night in a row that Israeli warplanes attacked Gaza. <br/>