Israeli forces detained a mid-level Fatah official in the West Bank at dawn on Monday, among 11 Palestinians seized overnight Maan reported.
Ahmad abdul-Karim ad-Dik, 43, who is a member of the Fatah leadership in Salfit, was detained from his home in Kafr al-Dik, his brother Faris told Ma'an.
Faris, who heads the Salfit branch of the PA ministry of sport, said intelligence officers also called him instructing him to turn himself or become a fugitive. He blamed Israel for starting a new campaign against Fatah supporters.
An Israeli army spokesman said one person was detained in Kafr al-Dik, and another in Hebron, Abu Sheikhedim, and al-Maazra, near Ramallah.
Five Palestinians were arrested in Hebron refugee camp al-Arroub, and two others in Nablus, he said.