Abstract: A smoking article comprising tubular support means to carry a supply of smoking material therein and to provide first and second ends thereof, said first end being located for ignition and said second end being directed towards filter means attached to said tubular support, said filter means including a transversely extending barrier located in a collection zone and on which particulate matter in the smoke from the smoking material is deposited when said second end is ignited and smoke is drawn through the smoking material to the filter means, and heating means for raising the temperature of said collection zone above that which would exist in the absence of said temperature raising means to raise the temperature of said smoke from said smoking material entering said zone and particulate material deposited on said transversely extending barrier, to release semi-volatile compounds therefrom.