Police are currently investigating what they are only referring to as "an incident" in Clifton, Bristol. Notes have been dropped into homes and businesses surrounding Princess Victoria Street by DC Smith from Kenneth Steele House police station. The note says: "We are currently investigating an incident which occurred approx. 23:45 hours on 19/2/12 - Princess Victoria Street. If you saw / heard anything, please call the below number (101) quoting crime ref. 18970/12. Thanks."