Two people are believed dead and another two have been injured in a shooting at Monash University.
A police spokeswoman said there were unconfirmed reports four people were shot in the Menzies building at the Monash University's Clayton campus.
The shootings occurred shortly after 11.20am and police have one person in custody, the spokeswoman said.
Police said there were no further details at this stage.
Two dead, two injured in Monash Uni shooting
Edit: Update here