By AREF TUFAHA and JULIA FRANKEL, Associated Press

DEIR ISTIYA, West Bank (AP) — Israeli settlers torched and defaced a mosque in a Palestinian village in the central West Bank overnight, scribbling hateful messages in a show of defiance a day after some Israeli leaders condemned a recent attack by settlers against Palestinians.

One wall and at least three copies of the Quran and some of the carpeting at the mosque in the Palestinian town of Deir Istiya had been torched when an AP reporter visited Thursday.

On one side of the mosque settlers had left graffitied messages like “we are not afraid,” “we will revenge again,” and “keep on condemning.” The Hebrew scrawl, difficult to make out, appeared to reference Maj. Gen Avi Bluth, the chief of the military’s Central Command who issued a rare denunciation of the violence Wednesday.

Soldiers from Israel’s military, which did not immediately respond to a request for comment, were present at the scene.

It was the latest in a string of attacks that have provoked expressions of concern from top officials, military leaders and the Trump administration.

Speaking at a press conference Wednesday, U.S. Secretary of State Marco Rubio said there was “some concern about events in the West Bank spilling over and creating an effect that could undermine what we’re doing in Gaza.”

Israeli officials have sought to cast settlers violence as the work of a few extremists. But Palestinians and rights groups say the violence is widespread and carried out by settlers across the territory, with impunity from Israel’s far-right government, lead by Prime Minister Benjamin Netanyahu. Netanyahu has not commented on the surge in violence.

The round of recent denunciations were in reaction to a particularly brazen attack Tuesday that saw dozens of masked Israeli settlers set fire to vehicles and other property in the Palestinian villages of Beit Lid and Deir Sharaf.

The army said the settlers then fled to a nearby industrial zone and attacked soldiers responding to the violence, damaging a military vehicle. Four Israelis were arrested, and four Palestinians were wounded, authorities said.

President Isaac Herzog described the attacks as “shocking and serious.” Herzog’s position, while largely ceremonial, is meant to serve as a moral compass and unifying force for the country.

Herzog said the violence committed by a “handful” of perpetrators “crosses a red line,” adding in a social media post that “all state authorities must act decisively to eradicate the phenomenon.”

The Israeli army’s chief of staff, Eyal Zamir, echoed Herzog’s condemnations of the West Bank violence, saying the military “will not tolerate the phenomena of a minority of criminals who tarnish a law-abiding public.”

He said the army is committed to stopping violent acts committed by settlers, which he described as contrary to Israeli values and that “divert the attention of our forces from fulfilling their mission.”

On Wednesday, police said three of the suspects were released. The fourth suspect, a minor arrested on suspicion of arson and assault, will remain in custody for six more days, as ordered by a judge. Police said the actions of the three who were released are still under investigation “with the goal of bringing offenders to justice, regardless of their background.”

Settler violence has been steadily mounting for decades, and the mosque in Deir Istiya had previously come under attack by settlers.

Settlers vandalized the mosque in 2012, according to the U.S. State Department, and again in 2014, according a roundup of settler violence from the website of the Anti-Defamation League.

The violence had reached peak highs before the war in Gaza erupted two years ago, and since then it’s only gotten worse. October was the month with the highest-ever number of recorded settler attacks in the West Bank since the UN’s humanitarian office began keeping track in 2006, said the office.