Israel had demanded Egypt take action, as it is worried about arms smuggling.
Egypt may now have to consider talks with Hamas, which it has previously ruled out, our correspondent adds.
Israeli officials said police were on increased alert because of warnings about infiltration and fears that militants will acquire more weapons in Egypt.
Hey, assholes: they're not there to get more weapons. They're there to get petrol and and food and all sorts of other things they need to live which they can't get because, well, I'm pretty sure you know (hint: it rhymes with Shisraeli Trockade). Besides, there's more than enough weapons in Gaza, so you don't really need to be worrying about this.
We tried to go there [Cairo], to see the big city and our family there, and also the girls.
I think we can excuse him, yes? The dude is 22 after all.
Map credit: BBC.