The third floor room at the Casa Sur hotel where Liam Payne was staying is now sealed off with police tape.

Hotel guests walk up and down the corridor but a police officer is on guard to ensure nobody interferes with what is still the scene of an active investigation.

How and why did the One Direction star plummet to his death from the balcony of this room and was there any third-party involvement?

A 911 emergency call has already been leaked in which a hotel worker expresses…