According to several reports, the IDF protected the worshippers, and several Palestinian gunmen were wounded in the exchange of fire.
Defense Minister Yoav Gallant warned "we will act everywhere - with determination, lethality, and strength."
Terrorist organizations based in Jenin and Nablus maintain control over the West Bank, growing in influence, arming themselves and organizing their activities
MILITARY AFFAIRS: Something changed this week. But it is unlikely that change will hurtle Israel back to the type of operation it carried out in 2002.
Clashes developed after the IDF entered Nablus and a gunfight ensued, during which explosive devices were thrown at the IDF soldiers.
IDF says Palestinian civilians injured following shooting at settlement • Soldier injured in separate incident in northern Samaria
Earlier in the night, an IDF vehicle was damaged after shots were fired toward Israeli forces on Highway 60 near Kiryat Arba.
Two young men were arrested and eight were injured.
Palestinian sources said a general strike was declared in the camp and Nablus to mourn the death of the three Palestinians.
It was the second victory by a Hamas-affiliated group in student elections at a Palestinian West Bank university since last May.