New Delhi, July 21 -- Bulgarian border authorities said Sunday they have seized one of the largest hauls of cocaine from a Belgian-plated van en route to Turkey.

According to customs officials, the nearly 206 kilograms (453 pounds) of cocaine was the largest seizure at Bulgaria's land border. A vehicle inspection led to the discovery of the drugs valued at 20 million euros ($22 million). The drugs were hidden in 179 sealed bags stashed among personal belongings in five suitcases.

Haskovo District Prosecutor Ivan Stoyanov identified the three people attempting to cross the border into Turkey as a 40-year-old diplomat from the Democratic Republic of Congo accredited in Belgium, a 54-year-old Belgian citizen and a 43-year-old Bulgarian dri...