Two people have been seriously injured in a crash involving an on duty police vehicle in Launceston's CBD on Monday evening.
The two-vehicle crash occurred about 8.30pm on the corner of Paterson and St John streets.
As of 9.30pm police and emergency services remained on the scene.
A man and a woman have been taken to the Launceston General Hospital.
Both are in a serious condition, police say.
The following roads have been closed while police conduct a crash investigation: St Johns and Cimitere streets; George and Cameron streets; Paterson and Charles streets; Paterson and George streets; and St Johns and Brisbane streets.
More to come.