A man on a bike stopped by officers early this morning was allegedly carrying items used in methylamphetamine labs, say police.
A police spokeswoman said police were carrying out patrols of the North Perth area around 12.30am when they spotted a man on a bicycle on Charles Street, North Perth.
The man was questioned by police and after a search of his backpack, items associated with the manufacture of methylamphetamine were allegedly found in the bag.
Police allege the contents included containers, funnels and glass bottles.
Organised Crime Squad attended the scene and allegedly found further items of interest on a block of land in nearby Carr Street.
The 31-year-old man, of no fixed address, is in custody has been charged with Attempt to Manufacture a Prohibited Drug.
He will appear in Perth Magistrate's Court tomorrow.