Footprints have also been painted near bins in Hay-on-Wye, Powys, and Torfaen's Pontypool and Cwmbran.

BBC: Footprint art on pavements to tackle litter problem

Later this month, the Hay Festival, the annual literary event in Hay-on-Wye, will also honour RS Thomas.

BBC: RS Thomas

Meanwhile, Mr Davies, who comes from Hay-on-Wye, said he would be recommend the scheme is implemented permanently.

BBC: Footprint art on pavements to tackle litter problem

His grave is in London, but his elderly mother wanted a memorial closer to her home in Hay-on-Wye.

BBC: The memorial to Daniel Morgan

Hay-on-Wye's spring shindig attracted 25, 000 people and is growing by 12% a year.

ECONOMIST: Dumbed-down Britain? You would be stupid to believe it

In the home of the founding fathers of the phenomenon in the UK, Hay-on-Wye, there are clearly mixed feelings about e-readers.

BBC: How do book towns survive in the age of the e-reader?

Mr Morgan's mother Isobel Hulsmann, from Hay-on-Wye in Powys, met Mrs May at the end of 2011 to press the case.

BBC: London

You would not have noticed him as he strolled round the literary festival at Hay-on-Wye every year, or even in the Strand.

ECONOMIST: Lord Bingham

Mr Morgan's mother Isobel Hulsmann, 84, and her daughter Jane Royds, who lives in Glasbury, near Hay-on-Wye, have placed the memorial stone in Glasbury church yard.

BBC: The memorial to Daniel Morgan

Abergavenny-based Longtown Mountain Rescue Team was called to the aid of the four youngsters and their trainer who had become stranded in their minibus on the top of Gospel Pass, between Abergavenny in Monmouthshire and Hay-on-Wye, Powys.

BBC: Wales weather: More snow due after heavy fall

Hay and Brecon Farmers - a farmers co-operative which supplies agricultural goods across the Brecon Beacons, Hay on Wye and Radnorshire area, is rationing disinfectant.

BBC: News Online