Coronation Street impromptu ceremony, shortly before going into cardiac arrest, although he later rallied and made a slow recovery. The episode of "EastEnders" broadcast on the same day as "Coronation Street" 50th anniversary episode included a tribute, with the character Dot Branning saying that she never missed "Coronation Street". In May 2011, Dennis Tanner returned after 43 years off screen. Beverley Callard and Vicky Entwistle who play Liz McDonald and Janice Battersby, respectively, quit the street. On 15 October 2011, Betty Driver, who had played Betty Williams since 1969, died of pneumonia, aged 91. In 2011, the major storyline of John Stape
Coronation Street sets streets was erected in 2005 allowing shots to be filmed looking up Rosamund Street and creating the illusion of other dwellings further along that street. At the end of Coronation Street there is a fictitious tram line which has seen CGI trams used over it in the past (notably the opening titles and when Kelly Crabtree left the long running drama). The storyline for December 2010 ("Coronation Street"s 50th anniversary) showed the viaduct collapse, sending the tram onto the cobbles, demolishing the Kabin and the corner shop in the process. Whilst the majority of the interior scenes were filmed within