Cardiff council leader Heather Joyce faces challenge for top job 13 May 2013 Last updated at 13:00 By Adrian Browne BBC Wales political reporter Cardiff council leader Heather Joyce faces a challenge for the top job, from within the ruling Labour group later. Riverside councillor Phil Hawkins is standing to oust her as group leader, in a secret ballot of Labour's 46 councillors this evening. Deputy council leader Ralph Cook is also being challenged, by Ramesh Patel, and Gretta Marshall is bidding to take over from party chief whip Sue Lent. The vote will take place at the Cardiff Labour group's annual general meeting. Under party rules, council Labour groups are required to either re-elect or replace their leader every year. Ms Joyce, who represents the Llanrumney ward, has led Cardiff council since Labour took over its running from the previous Liberal Democrat-Plaid Cymru coalition administration after the local elections a year ago. A Labour source has predicted Ms Joyce and Mr Cook will survive the vote, taking place at county hall.