Toronto police say they've arrested a 45-year-old man after a couple and their baby were allegedly sprayed with a corrosive substance.

They say a man, woman and their infant were out walking at 4:30 p.m. last Thursday when a man riding a bicycle approached.

Police allege the man threw a bottle that contained corrosive material, which hit the family before he rode off screaming.

They say the family received minor injuries.

Police say they arrested the Toronto man around 4 p.m. on Sunday.

He has been charged with three counts of assault with a weapon, three counts of public mischief and one count of administer noxious substance.