The Welsh Rugby Union (WRU) will ask the nation's four professional men's regions - Scarlets, Ospreys, Dragons and WRU-owned Cardiff and "selected universities" - to bid to form the new teams.

Scarlets, Ospreys and Dragons have yet to agree to sign a new long-term deal with the Welsh Rugby Union (WRU), with a set deadline passing on Tuesday night. WRU chair Richard Collier-Keywood asked ...