Hamas has no strategical interest whatsoever at this point of time to get in trouble with Israel. Honestly, to me, the whole thing sounds rather like an Israeli plot in order to make sure that the international isolation of Hamas and the lock down of the Gaza strip will continue. It simply makes no sense the other way around from a logical viewpoint....
Saudi king to meet with Obama on Friday amid Gulf concerns over Iran deal (Reuters)
from the article: Hundreds of Israelis return from Sinai after kidnap warning