They used explosives to get into the building , witness Bjorn Lockstrom told TV4 , and later hoisted bags of money to the waiting chopper . Owners of Swedish police depot offer £ ##50 M reward for information on suspects . Thieves believed to have stolen the ransom of several million euros . Armed thieves used a police helicopter during the raid .
Owners of Swedish police depot offer £ ##50 M reward for information on suspects . Thieves believed to have stolen the ransom of several million euros . Armed thieves used a police helicopter during the raid .