India post tracking billie eillish poster missing
The post-it notes that Billie Eilish had been missing from her home in New Delhi for several days.
A search warrant was served on the residence on Friday.
An investigation has been launched to determine what happened to the missing person.
Police said they had not yet received a report from the Post Office of India on her disappearance.
Her parents had not heard from her since the afternoon on Thursday.