GAZA CITY, Gaza Strip — In recent weeks, Gaza residents have been jolted awake in the dead of night to a raucous mixture of Quranic phrases, Islamic supplications and prayers delivered by loudspeakers to their doorsteps.

The “Grand Fajr Campaign” is the work of fervent religious activists, many affiliated with the ruling Hamas militant movement, seeking to spread the message of Islam in an already deeply conservative society. But not everyone is ready to listen.

The Fajr, or “Dawn,” campaign has set off a heated debate over whether it is appropriate to force religion on the masses. One leading religious scholar has even warned that it is un-Islamic to “annoy” people.

Devout Muslims pray five times a day, and activists say they want to make sure that people catch the first and most important of the prayers at their local mosques.

After beginning in several Gaza City neighborhoods, the campaign has spread to areas across the Gaza Strip.

The organizers, mostly mosque committees reporting to the Hamas-controlled Ministry of Religious Affairs, say they want to see the mosques as full at dawn as at the noon prayer Friday, the highlight of the Islamic week.

Ahmed Hammad, a volunteer in Gaza City’s Tel al-Hawa neighborhood, said it is paying off, increasing the “rows” of worshippers at the local mosque.

“It used to be a row or half a row of worshippers. But today after the campaign, the number has grown to three rows,” he said.

The campaign comes at a difficult time for Gaza, where despair is widespread among the 2 million inhabitants after a decade-long Israeli-Egyptian blockade and recent restrictions by the West Bank-based Palestinian Authority to squeeze the territory’s Hamas rulers.

Hamas, an Islamic militant group that seeks Israel’s destruction, seized control of Gaza from the Palestinian Authority in 2007 after winning legislative elections a year earlier. Israel says the blockade is necessary to prevent the group from building up its military capabilities, while Palestinian President Mahmoud has tried to pressure the group to yield power.

Though Hamas has offered to relinquish power, reconciliation talks with Abbas have stalled as Gaza’s battered economy continues to deteriorate.

In this difficult decade, the Gaza population has grown increasingly conservative and religious.

“The Fajr prayer is important to raise the morale and spirits in this state of strangulation and constraints,” said Abu Aziz al-Waheidi, who oversees the campaign in 22 mosques in Tal al-Hawa.

Ismail Haniyeh, Hamas’ supreme leader, has endorsed the effort, with his office distributing pictures showing him and other Hamas officials surrounded by dozens of worshippers after praying at a mosque in the Shati refugee camp, where he lives.

The campaign started last month, shortly after President Trump decided to move the American Embassy in Israel to Jerusalem. The move enraged the Palestinians, who seek east Jerusalem as their future capital. East Jerusalem is home to a hilltop compound revered as Judaism’s holiest site and the third-holiest place in Islam.

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