An alliance of major legal marijuana businesses in California urged the state Monday to adopt tougher safety rules for ingredients and devices used in vaping and get tougher with illegal shops, amid an outbreak of a mysterious illness apparently linked to vaping.

The recommendations from the industry group — Legal Cannabis for Consumer Safety — come as health officials continue to investigate a wide range of products and chemicals that could be causing the illness that have sickened over 1,600 people nationwide. Most cases have involved products that contain the marijuana compound THC, typically obtained from illegal sources.

In a letter to Gov. Gavin Newsom, the group said... READ MORE