If Israel has the right to be fully armed then so do any others who wish to be fully armed have the right to be. Are the settlers allowed to be fully armed? Yes. Therefor so does Hammas and any other militant group. This world is not here to cater only to Israel's needs and serve Israel's interests.
UN: At least 1,332 Iraqis killed by violence in July (AP)
from the article: U.S.: UN council rushing to blame Israel for Gaza flotilla deaths