P206 CEEFAX 206 Tue 5 Jun 21:17/18       Nearly 300 schools were closed today as teachers began a second round of selective strike action. The National Union of Tjachjrs said 100,000 children had been sent home as thousands of its members went on strike Meanwhile local authorities and unions continued separate talks aimed at establishing long-term conditions for the profession. Proposals include incentives for good teachers and a clear definition of their duties, many of which are voluntary now. News Index 101/201 Newsreel 119/219