Bollywood actress Jiah Khan has been found dead at her home in the Indian city of Mumbai, police say.
Khan's mother found her body hanging, on Monday night, police told the BBC.
A post-mortem is being carried out to establish the cause of death and police say they are seeking information from her neighbours.
The 25-year-old actress made her debut in 2007 opposite Amitabh Bachchan, and went on to act with stars including Aamir Khan and Akshay Kumar.
Jiah Khan was born in New York and grew up in London before moving to Mumbai for a career in Bollywood.
Her death caused shock within the film industry.
Fellow actress Dia Mirza said on Twitter: "RIP Nafisa (Jiah) Khan. You were too young and beautiful…"
Bachchan also took to Twitter to react on his colleague's death: "WHAT ...!!! Jiah Khan? What has happened? Is this correct? Unbelievable!!!"
Jiah Khan acted in Nishabd, starring Bachchan, and the psychological thriller, Ghajini, which had Aamir Khan in the lead role.
Her last film was in the 2010 comedy Housefull, in which she played a supporting role.
Jiah Khan's "official" website says she was born in New York and brought up in London. It says she went to New York to study acting.
She also featured in an advert for the animal rights group, People for the Ethical Treatment of Animals (Peta).