A man died at the Total petrol station, in Semington Road, Melksham this morning.
The death of the man, in his 30s, who is believed to have worked at the petrol station, happened at around 6am.
Police are not treating the incident as suspicious.
A spokesperson said: "It was initially thought the man had been involved in an altercation and there have been a lot of rumours on social media.
"But it appears the man's death was from natural causes."