The prime minister says he has "certain suspicions" on the matter

The employees were in two cars carrying $80m (£60m) worth of cash between Austria and Ukraine.

Ukraine's Oschadbank said that the seven cash collectors detained in Hungary were transporting $40 million, €35 million, and 9 kg of gold

Hungarian law enforcement agencies detained armored vehicles used to transport valuables from the Ukrainian Oschadbank on March 5

Ukraine's foreign minister is accusing Hungary of kidnapping seven Ukrainian state bank employees and stealing the cash and gold they were moving.

Seven Ukrainians arrested and money-laundering investigation launched in latest spat between Kyiv and Budapest

The prime minister says he has "certain suspicions" on the matter