The military said in a statement that there had been a "terroristinfiltration" in the Adora settlement, around 20 kilometres (12 miles) westof Hebron city, and that Israeli soldiers had come under fire.
The soldiers searched the area and "three assailants were identified andneutralised by the security forces", the statement said.
When questioned by AFP, the Israeli army confirmed the death of the threeassailants, while the Palestinian agency Wafa identified them as a 19-year-old and two 16-year-olds.
Israeli emergency medical service Magen David Adom said its team was treatinga man who was shot in the leg. It did not identify the wounded man.
Palestinian officials have not yet commented on the incident.
In a separate incident in the West Bank, the Palestinian health ministry saida man was killed after being severely beaten by Israeli forces in Zeita,north of the city of Tulkarem.
Excluding annexed east Jerusalem, around 490,000 Israelis live in settlementsin the West Bank that are deemed illegal under international law.
Violence has surged in the West Bank since October 7, when the Palestinianarmed group Hamas launched an attack in southern Israel that sparked a full-scale conflict in the Gaza Strip.
Israeli army raids and attacks on settlers have killed at least 338 people inthe West Bank since then, according to an AFP tally based on sources on bothsides.
More than 520 Palestinians were killed in the West Bank last year, accordingto the Palestinian health ministry.
Over the same period, Palestinian militants carried out attacks in Israel andthe West Bank that killed at least 41 people, according to the Shin Betsecurity agency.
Israel has occupied the West Bank, home to about three million Palestinians,since the Six-Day War of 1967, reports BSS.