Seven suspended staff of Bangladesh Biman have been arrested in a case filed over emergency landing of a Biman flight carrying Prime Minister Sheikh Hasina to Budapest on November 27.Confirming the matter to Jagonews24.com, Masudur Rahman, Deputy Commissioner (media) of DMP said ‘Counter Terrorism and Transnational Crime (CTTC) unit of Dhaka Metropolitan Police made the arrest’.Biman Bangladesh Airlines suspended nine of its officials, including the seven, in two phases on November 30 and December 14, for their negligence that led to the emergency landing of the flight.The Biman authorities filed the case with Airport Police Station on Tuesday night against the nine suspended staff.Three enquiry committees have so far been formed following the incident - one by the civil aviation ministry, one by Biman and another by the Civil Aviation Authority of Bangladesh.