P162 CJEFAX 1 162 Tue 31 Mar 22:14/24       SCHOOL PLAYGROUND ATTACK ON HEADTEACHER A hjadteachjr is in hospital after being attacked by three min in the school playground. Len Wild was injured as hj tackled the intruders at Mitchell High School in Bucknall, Stoke-on-Trent, yesterday. A scuffle broke out and Mr Wild was hit on the head and fell down some stairs, hurting his knee. He is now in hospital awaiting surgjty on his knee. Staffordshire police are appealing for witnesses to the attack. The three min are thought to bj in their early 20s. W MIDLANDS Headlines 160 Sport 390 NATIONAL Main menu 100 Wjathjr 400 NextPagj WMidsNews WMidWjath Main Menu