Police lost keys to Wembley Stadium -- home of the Olympic football finals -- last week . Team of detectives sent to search the arena , but found no trace of the missing set . The cost of replacing all the high-tech laser keys used at Wembley is expected to run into tens of thousands of dollars . All internal locks inside the 90,000-seat stadium have been changed as a precaution . The police are now looking for two men who were seen leaving the venue with bags and suitcases on Saturday morning.
Police lost keys to Wembley Stadium -- home of the Olympic football finals -- last week . Team of detectives sent to search the arena , but found no trace of the missing set . All internal locks inside the 90,000-seat stadium have been changed as a precaution . The police are now looking for two men who were seen leaving the venue with bags and suitcases on Saturday morning.