Toronto police are currently at the home of Ontario Premier Kathleen Wynne after protesters from Toronto's Black Lives Matter movement took their demonstrations to her private residence Thursday night.

Const. Victor Kwong with Toronto police said the force received a call before 9 a.m. about an "out of place" bottle that was left on the premier's driveway.

Kwong would not comment on what was inside the bottle and said he did not know when police would be leaving the scene.

Sandy Hudson, a co-founder of the group, said members were outside the home after 10 p.m. for about 20 minutes and left a card with an invitation to meet with them, a wreath, wine – actually an empty wine bottle filled with water, she said – and cheese.

"It was like, you know, here we are inviting you, this is like a warm welcome," Hudson said. "It was peaceful. It was not loud in any way. It was respectful."

The group also left photos of Andrew Loku, a man who was fatally shot in a confrontation with Toronto police last summer, outside Wynne's home.

Premier's partner 'unnerved'

Wynne was not home, but the items were discovered Friday morning and it "unnerved" her partner, Jane Rounthwaite, the premier said.

The police's chemical, biological, radiological, nuclear and explosive unit was called in because it was not immediately known what substance was in the bottle.

The premier said she understands the passion the protesters feel about racism, but would prefer they didn't go to where she lives.

"I would like for the protest to happen other places than my home and you know, quite frankly, it's not just about my home, it's about the neighbours as well," Wynne said at an appearance in Ottawa.

Premier 'ignored' group

On Thursday night, items such as candles, a wreath and a small tent were left on Wynne's Toronto property.

Black Lives Matter said in a release Thursday that members "vowed to bring their anti-police brutality protest directly to politicians."

Hudson said the group had "no choice" other than to bring their actions to Wynne's home after the premier "ignored" them.

Protesters with the Black Lives Matter movement emptied bottles of an unknown substance onto this tent with a note and a bottle at the premier's residence. (CBC)

Black Lives Matter have been protesting in Toronto for nearly two weeks. They've been demanding the release of the name of the officer who fatally shot 45-year-old Andrew Loku last July, as well as other officers investigated by the Special Investigations Unit, the province's police watchdog.

The SIU cleared the police officer who fired the fatal shots of any wrongdoing in March, saying the officer used justifiable force in shooting the father of five, who was wielding a hammer at the time.