A series of explosions tore through the city of Jenin, in the occupied West Bank, sending plumes of smoke into the sky.

The Israeli military blew up several buildings in the occupied West Bank on Sunday in a series of simultaneous explosions that the Palestinian state news agency said had leveled around 20 buildings in the Jenin refugee camp.

The Israeli military said it had destroyed "several buildings" on Sunday in the occupied West Bank city of Jenin, where it has been conducting a major offensive. The Israeli military launched a major offensive in the West Bank last month dubbed "Iron Wall" aimed at rooting out Palestinian armed groups from the Jenin area,

As Israel withdraws some of its troops from Gaza during a cease-fire there, it has turned attention to another Palestinian territory — in particular a city with a history of militant activity.

Prime Minister Benjamin Netanyahu said the assault on Jenin would be “extensive and significant,” as the military erected new checkpoints across the West Bank.

Between January 21 and 27 alone, Israeli forces killed 20 Palestinians and injured 81, including 11 children, in attacks across the West Bank, according to OCHA. This includes a raid on January 25, in which undercover Israeli forces raided a village and shot and killed a two-year-old Palestinian baby.

The action came a day after President Donald Trump said he will lift sanctions on ultranationalist Israeli settlers who attacked Palestinian villages.

A series of large explosions were seen in the northern occupied West Bank after the Israeli army said it detonated and destroyed buildings used by Palestinian militants in the Jenin refugee camp.