Police are investigating the incident on Free School Lane in the early hours of this morning.
A pharmacy in Halifax has been deliberately set alight in an arson attack in the early hours of this morning.
At around 2.25am, police were called by the Fire Service to a report of a fire at the building on Free School Lane.
Two suspects approached the building and smashed a front window before setting fire to the inside.
They then returned to a vehicle, which had been parked on Clover Hill Road, and made off along Free School Lane in the direction of Halifax.
Minimal damage was caused to the inside of the building and no one was injured.
Detectives are appealing for anyone with information or anyone who witnessed a dark-coloured saloon vehicle driving in the area to contact police.
Anyone who witnessed any suspicious activity in the hours leading up to the incident is also asked to contact officers.
Information can be passed to Calderdale CID on 101 or by using the online 101 chat, quoting crime reference 13200003109.