As fans,family and co-stars come to terms with Cory Monteith's sudden death, the reason for his demise still remains a mystery. As per the British Columbia Coroner's office, it might take a couple of weeks to understand the cause of his death.

Known for playing Finn Hudson in the popular TV series Glee, Monteith, 31, was found dead in his hotel room in Vancouver, Canada, on Saturday. The office's spokesperson Barb McLintock told the US weekly, "The toxicology results are still to come and we might have something concrete by tomorrow."

The late TV star's family is expected to receive an autopsy report by tomorrow but if it provea to be indeterminate then further tests would be done

Along with his friends and family the tragedy has shattered his fans. They created a memorial outside the Fairmont Pacific Rim Hotel (his dead body was discovered from this hotel) to pay their last tribute to the late actor.

His death is not only being mourned in the US and Canada but his admirers in London held a convention at the Thistle Hotel in his honor over the weekend.

Following the heartbreaking news, upcoming Glee events such as autographs sessions with Telly Leung and Curt Mega, popularly known by the their TV name Nick and Wess, were canceled.

Monteith's fans were seen singing his name and the Glee's adaptation of Journey's 'Don't Stop Believing' in his remembrance.

Lea Michele, Cory's girlfriend and co-star on the show is 'miserable beyond belief'. A source close to her, told Hollywoodlife.com that she is just ruined right now and running out of tears.

He further told the website that to find her lost connection with Cory, Lea has called his voicemail repeatedly to listen to his voice.

Certainly, the news of Monteith's death has saddened his loved ones deeply and we wish them peace.