Israeli troops on Saturday arrested a member of the Islamic Jihad militant group at his home in the West Bank city of Nablus, his relatives said.
Relatives of Abdallah Harouf, 24, said that troops seized him at his home near the Old City during the early hours of Saturday.
During the raid, Harouf's family said, troops fired tear gas and five people suffered effects of inhalation.
Local residents said that four other people were also arrested but their details were not immediately known.
The Israeli military had no immediate comment.