Hamas has rejected a ceasefire to end the 16-day offensive against Gaza unless Israel ends its blockade of the strip, its leader Khaled Meshaal has said.

"We reject today ... and will reject in the future" a ceasefire before negotiations on Hamas' demands, which include lifting years of blockade against the Palestinian enclave, Meshaal told journalists in Doha, Qatar's capital.

Lifting the eight-year blockade is a main demand of Hamas, which also wants the opening of the Rafah border crossing with Egypt, and Israel to free Palestinian prisoners.

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Meshaal's statement came as the UN Human Rights Council voted to launch an independent inquiry into Israel's offensive.
 
As international calls for an end to the fighting in Gaza mount, Meshaal said that Hamas "welcomes all efforts to end the aggression" and "does not object" to mediation by any party, including Egypt.

"We will not accept any initiative that does not lift the blockade on our people and that does not respect their sacrifices," he said.

Egypt, whose president, Abdel Fattah el-Sisi, has sought to isolate Hamas in neighbouring Gaza, had tried to broker a truce between Israel and Hamas.

Hamas had rejected the ceasefire proposal which it said was favourable to Israel.

It argues that Egypt's proposal, which is backed by the United States, United Nations and Arab League, would allow Israel to dictate if and when to ease its blockade on Gaza.

"Let us agree on achieving our demands and we will then agree on the zero-hour for a ceasefire," Meshaal said.

'We will not bow'

Meshaal appealed to the international community and NGOs to "come to the aid of Gaza and not wait until after the war ends".

"I call today for opening border crossings to allow the entry of aid convoys" to the Gaza Strip which needs "fuel, food and electricity", he said.

"We are more concerned about a humanitarian truce, like last Thursday ... for evacuating casualties and assisting the population.

"We are not closing the door to a humanitarian truce ... that would not manoeuvre around demands of the resistance," he added.

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Meshaal said Hamas wants the "aggression to stop tomorrow, today, or even this minute. But [Israel must] lift the blockade with guarantees and not as a promise for future negotiations".

He added "we will not shut the door in the face of any humanitarian ceasefire backed by a real aid programme".

UK charity Oxfam said on Wednesday that thousands of Palestinians have fled their homes but have nowhere safe to shelter from Israeli air strikes and warned that supplies of water and food are dangerously low.

The conflict has so far killed 715 Palestinians, 32 Israeli soldiers, two Israeli civilians and a Thai worker.

"We do not want a war and we do not want it to continue, but we will not bow in front of it," Meshaal said.

Source: Al Jazeera and agencies