Mosques across Victoria have planned a community open day for this Sunday and were keen for them to go ahead, Steendam said while asking people to go and support the Muslim communities, and maintaining vigilance.
Authorities across the country are also deploying extra police with the threat level raised to probable'.
This was a co-ordinated act of terror targeted at Muslims and it could easily happen again, he was quoted as saying by the 'Herald Sun'.
"I am concerned it can be repeated in Australia," he said.
According to the National Terrorism Threat Advisory System, this would mean authorities have received credible intelligence that indicates that individuals or groups continue to possess the intent and capability to conduct a terrorist attack in Australia.
New South Wales Police also issued a statement assuring Australia's Muslim community that there were no specific threats domestically.
However, police have increased patrols and senior officers have also reached out to community and religious leaders across the state to provide support and reassurance, a spokesman of the NSW Police said.
NSW Police force will continue to do everything possible to ensure the safety and security of all members of the community and everyone should continue to go about their business without fear, he said.
Muslim communities in NSW held prayers in Lakemba Mosque, one of the biggest mosques in the country, on Friday night, after the shooting incident.
Tarrant was charged with one count of murder and further charges will be laid.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)