Hammas bombed the border.

a week later they will release them.

It would be fair for Egypt to be the first Arab country to take its part in the historical responsibility of the Arab refugees problem and help to solve it by accepting the Gazan Arabs into its country and integrating them. That would be the beginning of the return back home to the countries they came from in the 19th and 20th centuries, of the Arabs living west of the Jordan. That would stop the killing and give a chance of peace to the region. As to the Arab refugee problem, the Arabs that left 60 years ago, in order to be correctly informed about what happened read : http://israelagainstterror.blogspot.com/2007/12/arab-leaders-caused-refugee-problem.html