Police are appealing for witnesses following a fire at a shop in Station Road, Bognor Regis, just before 2am today (Thursday August 6).
Shortly before the blaze, two people were seen dressed in black running towards the Linden Road/Victoria Drive area.
Detective Sergeant John Kalli said: “We believe this fire was started deliberately and it is fortunate that no one was injured.
“We would like to speak to anyone who may have seen something suspicious before or just after the fire broke out.”
Witnesses are asked to email email@example.com or call 101 quoting reference 0087 of 06/08.