A frustrating start to City's promotion push as they trail by 2 goals to nil at half time.
Cardiff got off to a good start, Peter Whittingham's shot on traget within the first minute blocked.
West Ham went on to dominate the first 45 minutes of play and capitalised on City's sloppy passing twice thanks to Welsh international Jack Collison.
It's an intriguing weekend of football, with fixtures for Swansea, Cardiff and Wrexham. Rob King looks ahead to the games...
A summary of all the results from today's sporting fixtures