Going update Naas remains yielding (on round course) and yielding, good to yielding in places (on straight track). It is currently raining and a further 4-6mm (approximately) of rain is forecast for today according to Met Èireann. The first of eight races is off at 4.50pm. Aidan O'Brien's Air Commander, a winner of a maiden in Dundalk this month, heads the market for the Naas Racecourse Business Club Blackwater Handicap at 7.20pm.