they say they found weaponsfrantions is preparing to extra died. his lawyers say they will fight the move. still ahead on al jazeera. senegal is holding a referendum on reducing presidential terms. the president coming under fire even though he supports a yes, vote. and striking a nerve. while a futuristic film from hong kong is raising present day concerns in bay judge. >>> top stories here on al jazeera. the u.s. military has deployed marines on the ground to help coalition fighters fight isil in iraq. turkish officials suspect an isil fighter was behind saturday's bombing in istanbul. five others have been arrested after a suicide attacker killed 4 on saturday. refugees are continuing to arrive in greece despite a new rule that would send many back to turkey. a president facing impeachment hearings, a former president under investigation and daily street protests. brazil's tension political situation has many losing faith in dilma rousseff's leadership. a report. >> reporter: the noise of protest replaced by the sound of horses galloping on cobb