![Woolworths said total group sales were up 4.4 per cent to $13.8 billion in the 13 weeks to April 2.](/web/20170502104224im_/http://www.smh.com.au/content/dam/images/g/p/r/g/w/5/image.related.wideLandscape.460x259.gvwuuv.png/1493711177393.jpg)
Woolworths blitzes Coles but Big W woes deepen
Woolworths has flagged higher costs for labour, fruit and vegetables and a wider loss for its troubled discount department store Big W this half, as it blitzed supermarket rival Coles with the strongest quarterly sales growth in years.