Mysterious smoke rising from a drain in the city

Smoke is billowing out of a drain in the city.

Eight firefighters are at the corner of Collins St and Batmans Hill Dr investigating the source of the smoke. 

3AW Mornings producer Michael Hilder provided this video from the scene:

Eight firefighters at the scene of mysterious smoke pouring into Collins St at Batmans Hill Drive. pic.twitter.com/nGU4pviXez

? 3AW Melbourne (@3AW693) October 19, 2015