According to an anonymous law enforcement official, Heaton, a British national who plays Jonathan Byers on the show, flew into Los Angeles International Airport last Saturday.
After drug-sniffing dogs caught the actor with traces of cocaine on his personal items, Heaton was detained but not arrested.
One Stranger Things star was celebrating the release of Season 2 on Netflix perhaps a little too hard this past week.
It's important to note that Heaton was not arrested after the discovery - apparently, only a very small amount was found, and it likely wasn't worth the trouble. The AP reported that his publicist hasn't responded to requests for comment.
Potential Tropical Cyclone 18 develops in Caribbean, expected to become Philippe
A faster northward motion is expected to begin tonight, followed by a faster motion toward the northeast on Saturday and Sunday. An Air Force Reserve reconnaissance aircraft was scheduled to investigate the tropical system Friday afternoon, if necessary.
It was not clear how much time Heaton would be denied entry into the U.S.
The 23-year-old, who was reportedly sent back to the United Kingdom, missed the Netflix show's season two premiere party on Thursday night, as his co-stars Millie Bobby Brown and Winona Ryder celebrated the release.
A violation, conspiracy to violate or simply an attempt to violate any U.S. State, federal or any foreign government controlled substance violation renders a foreign national inadmissible to the United States, it reads.
The Sun was first to report the incident.
- Kenya: IEBC commissioner quits ahead of repeat Presidential elections
- Rohit Shetty's 'Golmaal Again' races past Rs. 100 crore mark at Box-Office
- From Marvel To DC: Zachary Levi Cast As 'Shazam!' Lead
- PM Modi to celebrate Diwali with army soldiers in Gurez
- Men Arrested After Shooting at Richard Spencer's University of Florida Speech
- Challenge against Northern Ireland abortion laws begins in Supreme Court
- Drop your prescription drugs off with no questions asked at these locations
- Missing Pakistani journalist probing Indian citizen's case found after 2 years
- GM shares rise on earnings beat, solid forecast
- Microsoft isn't supportive of Japanese games, says NIS