The body of a woman was found in a ditch along Stevenshofsdreef in Leiden on Monday night. The police arrested two men in connection with her death on Tuesday.
The identity of the woman is not yet known. The police believe she was killed in a crime and that she may have been in the water for some time.
The suspects, age 44 and 50 years both from Leiden, are in restricted custody. That means they are only allowed contact with their lawyers.
The police are looking for witnesses or anyone who has information about this crime.