Ministry spokesman : Electrical circuit malfunction may be to blame . The fire has been set . In a similar protest a few weeks ago , demonstrators set other buildings in the Interior Ministry complex ablaze , as well as cars . Protesters denied setting the blaze . The mosque was the site of a protest earlier Tuesday .
Ministry spokesman : Electrical circuit malfunction may be to blame . The fire has been set . Protesters denied setting the blaze . The mosque was the site of a protest earlier Tuesday .