The boss of pub giant JD Wetherspoon has warned it could miss profit guidance after a jump in costs.It came as the firm, which has 794 managed pubs and 21 franchise sites, revealed slower sales growth over the latest quarter.Chairman and founder Tim Martin said the group is among hospitality operators to have seen "substantial increases in costs" recently.

The boss of pub giant JD Wetherspoon has warned it could miss profit guidance after a jump in costs.It came as the firm, which has 794 managed pubs and 21 franchise sites, revealed slower sales growth over the latest quarter.Chairman and founder Tim Martin said the group is among hospitality operators to have seen "substantial increases in costs" recently.