counter-terrorism police have searched a community centre and a man 's home as part of the investigation into the killing of a syrian imam found shot dead on a london street .
officers in plain clothes looked at a car parked near the community centre today .
his home has apparently been covered in scaffolding for 10 years as builders have worked on an extension to the property .
the raid on an noor was believed to be the first major counter-terror operation in a mosque 2003 .