Hamas leader Yahya Sinwar on Wednesday said there was no concrete ceasefire agreement yet with Israel, but warned that if hostilities resume the terror group could launch hundreds of rockets deep into the Jewish state.

“Until now, there is no final text for a ceasefire. What is being circulated is proposals and ideas,” Sinwar told Palestinian writers and analysts in Gaza, according to the Hamas-linked Shehab news agency. “We decided to end the siege on our people, who have the right to live a dignified life.”

Sinwar warned that if talks broke down Hamas would fire hundreds of rockets in Israel.

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“What the resistance launched in 51 days in the last war, it can launch in five minutes during any [future] Israel aggression,” he said, referring to the 2014 conflict.

The Hebrew Walla news site quoted him as saying that “Hamas could set off rocket warning sirens in the Tel Aviv region for six months straight.”

Indirect negotiations between Hamas and Israel have reportedly included discussion on easing the blockade, but by no means a complete lifting of it. Israel says the blockade is in place in order to prevent weapons and other military equipment from entering the Strip.

Sinwar said that talks on a prisoner exchange were progressing on a separate track and were not connected to the ceasefire agreement. Hamas holds the bodies of two Israeli soldiers and two civilians. Israel has said in the past it would not ease the blockade until they are released.

Recent months have seen repeated rounds of intense violence between Israel and Hamas, along with weekly border protests at the Gaza border that have regularly included rioting, attacks on Israeli troops and attempts to infiltrate and sabotage the border fence.

Around 170 Palestinians have been killed by Israeli fire since the weekly protests began, a Hamas ministry says. Hamas has acknowledged that dozens of those killed were its members.

One Israeli soldier was shot dead by a Palestinian sniper.

In addition to the border clashes, southern Israel has experienced hundreds of fires as a result of incendiary kites and balloons flown over the border from Gaza. Over 7,000 acres of land have been burned, causing millions of shekels in damages, according to Israeli officials.

Sinwar also warned the Palestinian Authority against taking steps to foil the nascent deal.

“Any punitive measures the PA imposes on the Gaza Strip will be in violation of the rules of the game. We respond to any such measures appropriately,” he said.

His comments come after Palestinian Authority President Mahmoud Abbas reportedly lambasted the potential ceasefire agreement, saying such a deal would only be reached “over my dead body.”

“If the agreement is signed without the PA’s permission, it is illegal and constitutes treason,” Abbas said in private conversations, according to Hissein al-Sheikh, a senior member of Abbas’s Fatah party.

“Over my dead body will there be a ceasefire and calm between both sides,” Abbas said, according to al-Sheikh.

Regarding intra-Palestinian reconciliation talks, which have stalled recently, the Fatah member said disagreements between the factions were mounting and that such a deal “never looked more distant.”

Abbas was also said to be furious at Egypt, which has been brokering Israel-Hamas truce talks, for being willing to sit down with members of the terror group that rules the Gaza Strip without his presence.

“The Egyptians aren’t reading the map correctly and are harming the Palestinian national interests,” al-Sheikh said. “Talks with Hamas, which took control of Gaza by force and without the consent of the Palestinian Authority, are unacceptable and are an act of defiance against Palestinian leadership.”

Abbas’s Fatah party and Hamas have been deeply divided for more than a decade. Hamas, an Islamist terror group which openly seeks to destroy Israel, seized control of Gaza from the Fatah-dominated Palestinian Authority in 2007 and several attempts at reconciliation since then have failed.

The PA government has been putting pressure on Hamas to reach a reconciliation deal that would return Fatah rule to Gaza, and earlier this year began to scale back electricity payments and other financial support in an effort to force Hamas to cede ground in Gaza.

Abbas is demanding that Hamas hand over complete control of Gaza to the PA, and that the switch be conducted in a single stroke rather than in stages.

He has warned against a reported deal taking shape between Israel and Hamas for a long-term ceasefire in Gaza if it does not include the PA.

Hamas responded to the criticism with a rare statement slamming the PA and saying that there is a “national consensus” among the Palestinian people in favor of a long-term Gaza ceasefire with Israel.

The terror group was referring specifically to a deal that would lift the blockade of Gaza, which would ostensibly require some sort of agreement with Israel.

“We aren’t moving toward a political agreement or a part of an international deal that gives up our lands, recognizes the occupier or destroys the national project, as you did,” Hamas said, addressing the PA. “We didn’t recognize the Zionist entity and sanctify the security coordination, as you did at the expense of our people.”

Hamas spokesperson Abdel Latif al-Qanua dismissed the PA criticism as “worthless” and added they were “not fooling anybody — the people still supports the resistance and we will keep our hand on the trigger to defend the Palestinian people from the Zionist occupation.”

AFP contributed to this report.