...Group EBIT margin deteriorating below 2%, with accelerating competitive pressures in the UK food retail market, FFO fixed charge cover below 2.0x and sustained negative FCF resulting in retail-only (excluding Tesco bank) FFO-adjusted net leverage sustained above 4.5x would be ratings negative. Liquidity is sufficient, supported by access to undrawn bank facilities of GBP2.7bn at FYE14 and available cash of GBP2.9bn at 1H15 (lowered by GBP300m considered either legally restricted or absorbed in the working-capital cycle)....