A policeman looks at ballot boxes before Election Commission volunteers check on them a day before the referendum on a new constitution, at Ratchathewi district office in Bangkok, Thailand, August 6, 2016. REUTERS/Chaiwat Subprasom

A policeman looks at ballot boxes before Election Commission volunteers check on them a day before the referendum on a new constitution, at Ratchathewi district office in Bangkok, Thailand, August 6, 2016. REUTERS/Chaiwat Subprasom

A policeman looks at ballot boxes before Election Commission volunteers check on them a day before the referendum on a new constitution, at Ratchathewi district office in Bangkok, Thailand, August 6, 2016. REUTERS/Chaiwat Subprasom

August 6, 2016 8:57 PM (UTC+8)