Posted: 19/04/2014 at 07:55
At that stage you can just pull them up - they usually come up quite easily. Then regular (weekly) mowing will keep it under control in your lawn. However, you'll need to take more rigorous steps if and when it invades your borders.
Bruising the fresh growth and application of a glyphosate weedkiller according to pack instructions is the best way I know but you'll need to keep repeating this. It really is a b..... to get rid of and you have to keep on top of it or it'll spread like wildfire.
Good luck and please don't hesitate to ask more questions