NEW : Saudi Arabia denies it was an embassy car . Gunmen stopped a Saudi convoy , seizing cash and diplomatic papers . The spokesman described the stolen documents as `` sensitive . '' A prince was in the convoy , but the men seemed focused on the contents of one vehicle , he said . The driver tried to escape with his family, but they were caught by police.
NEW : Saudi Arabia denies it was an embassy car . Gunmen stopped a Saudi convoy , seizing cash and diplomatic papers . A prince was in the convoy , but the men seemed focused on the contents of one vehicle , he said . The driver tried to escape with his family, but they were caught by police.