Police in Montgomery County are investigating a pair of incidents in which two teenagers were found unconscious from smoking synthetic marijuana.
Police say the incidents happened in Limerick Township within the past few days, and involved two children ages 13 and 17.
Police say both teens were rushed to nearby hospitals and are expected to fully recover.
Police say they are investigating how the teens got hold of the synthetic marijuana.
Limerick police issued the following statement on the department's Facebook page: "We are investigating the source of this dangerous substance, but parents should have frank discussions with their children about ingesting these dangerous backyard chemical concoctions."