Palestinians fired at IDF troops near Jenin and threw a grenade at them on Sunday evening.
No one was wounded in the attack, Israel Radio reported.
Near Nablus, soldiers shot a Palestinian who tried to throw a brick at them. He was wounded in the leg and taken for treatment.
Also in Nablus, a Palestinian was burned when his friends tried to throw a Molotov cocktail at an IDF vehicle.
No troops were hurt in either incident.