15. Cash and cash equivalents

2012
£m
2011
£m
Short-term deposits8.242.1
Cash at bank and in hand121.3146.0
Cash and short-term deposits129.5188.1
Bank overdrafts(4.8)(4.2)
Cash and cash equivalents in the Group statement of cash flows124.7183.9

Short-term deposits include demand deposits and short-term highly liquid investments with maturities of three months or less that are readily convertible to a known amount of cash and are subject to an insignificant risk of changes in value. Bank overdrafts that are repayable on demand and form an integral part of the Group's cash management are included as a component of cash and cash equivalents for the purpose of the Group statement of cash flows.