There are hundreds of gangs running in Gaza. Everyone just does as they please. HAMAS just happens to be the biggest Gang, but ultimately only have very partial influence. This will not end, the only solution therefore is more blockades, more security walls and more operation Cast Leads.
Supreme Court rejects plea for freeze on expansion of asylum seekers' detention (Haaretz)
from the article: Shin Bet chief reportedly visits Egypt over rocket fire from Sinai