A South Wales Police spokeswoman said: “South Wales Police received numerous reports of an explosion at a property in Church Road, Seven Sisters today at 2.05pm.
“A number of properties and vehicles in the street have been damaged and the area has been evacuated.
“Three people, one adult and two children, have been injured in the incident.
“We remain at scene with emergency service colleagues and ask people to continue to avoid the area at this time.”
More to follow.
This is a breaking news story, please refresh the page for updates.