The fall of A&P into bankruptcy attracted some criticism of the US retailer's management this week, while, on this side of the pond, UK convenience retailers hit out at Tesco's latest acquisition in the channel. The UK's largest retailer was also named as a potential suitor for Poland's Zabka as speculation over further consolidation in emerging markets continued. Wal-Mart Stores, however, has hit a wall in Russia and closed its office that was exploring how to enter the market.