Undercover IDF forces were detained by Palestinian Police for questioning in the West Bank city of Nablus, according to IDF Spokesperson's Unit.The detained soldiers have already been returned to IDF custody in cooperation with the Civil Administration of Judea and Samaria.Palestinian police had closed off the area where the two were detained as a precaution against rioting.They were on their way to make an arrest in Nablus, according to Israel media.