Cara Delevingne’s house fire mystery deepens as investigators make ruling [Video]

The blaze at Cara Delevingne’s home has stumped the Los Angeles Fire Department as they found the cause of the fire to be ‘undetermined’.

Despite weeks of investigations at the 31-year-old actor’s $7million home, the damage caused made it difficult to determine the cause and the case has now officially closed.

However, a source told TMZ that there were no signs of foul play involved in the fire.

The model’s parents previously blamed an electrical issue as the cause of the flames, which broke out as Cara was working in London.

They previously told the publication: ‘She had everything in her house, her whole life. She built it, she made it.’

Aerial photos of the star’s sprawling home showed the property’s collapsed roof, exposing the ash-covered interior following the fire in March.

Cara initially took to Instagram to reveal the news, writing: ‘My heart is broken today. I cannot believe it. Life can change in a blink of …