Three Israelis were murdered on Friday evening in a stabbing attack in the Jewish community of Halamish in Samaria.
A Muslim terrorist infiltrated a home in the community, stabbing four people.
Three of the victims died of their wounds, while a fourth is in serious condition.
The Muslim terrorist murdered two men, aged approximately 40 and 60, a woman in her 40s, and a severely wounded another woman in her 60s.
The terrorist was shot, neutralized and evacuated to hospital.
According to preliminary investigations, the Muslim terrorist, 19-year-old Omar al-Abed, from the nearby Arab village of Kobar, entered the Jewish community at around 9:30pm, broke into the house and stabbed the four.
A neighbor of the family heard their screams, rushed to the scene and shot the terrorist, moderately wounding him.
IDF troops are conducting searches in and around the community and checking whether other terrorists were involved.