Members of the Hamas terror arm, Ezzedeen Al-Qassam Brigades, in Deir Al Balah refugee camp, central Gaza Strip, May 6, 2018.
Hamas spokesman Fawzi Barhoum rebuked the move in a statement released on its website "Benjamin Netanyahu's approval of additional measures to intensify the siege and prevent the entry of materials and goods to Gaza is a new crime against humanity", the statement read.
Mahmud Abu Ataya, 25, who recently suffered a leg wound east of Gaza City, said: "I am leaving to be cared for overseas".
This comes after Hamas launched flaming kites and balloons into Israel, and attacked the Israeli security personnel at the Gaza border fence.
Defense Minister Avigdor Lieberman also warned that Israel could punish Gaza even further.
Israel is ramping up its crackdown on the Islamic terror group Hamas. "The regional and worldwide silence on the siege imposed on the Gaza Strip for more than twelve years has encouraged the Israeli Occupation to continue its criminal actions in clear violation of human rights and global law".
The crackdown includes the closing of Gaza's lone commercial crossing, at Kerem Shalom, for an indefinite period of time.
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Hamas, which has fought three wars with Israel since 2008, called on the global community to intervene immediately to prevent what it called a "new crime against humanity".
A picture taken on May 29, 2018 shows fishing boats carrying a group of Palestinian activists who are protesting Israel's naval blockade on Gaza, setting to sail from Gaza City harbor. During the first march, 16 Palestinians were killed and hundreds were wounded.
Wildfires have razed 7,000 acres of forests and farmland, Israel says.
But Palestinians view the cheap, flying devices to be a tool of resistance against the well-armed Israeli forces stationed behind the fence that have killed at least 136 Palestinians since the beginning of the March of Return.
Hamas won 2006 legislative elections and effectively booted the Palestinian Authority (PA) from power in Gaza in the wake of an armed conflict with Fatah, the leading party of the PA, after the latter rejected the election results. New restrictions are likely to raise doubts among the Palestinians that Israel is in a mood to make a deal.
Israeli naval forces on Tuesday intercepted a Palestinian humanitarian flotilla that attempted to break the years-long blockade of Gaza.