Avram Grant must wait before taking charge of West Ham United due to work permit problems.

Grant will not begin his reign at Upton Park until later this month as he waits for a work permit.

Grant was named as Gianfranco Zola's successor on a four-year deal on Thursday but the appointment is subject to a successful work permit application.

The 55-year-old Israeli must reapply every time he starts a new job, though West Ham expect the process to run smoothly.