A nursery worker, 45-year-old Vincent Chan, has pleaded guilty to sexually abusing young children in his care in north London, in a case described by the Metropolitan Police as one of the "most harrowing and complex" it had ever undertaken. Also: European and NATO leaders are stepping up pressure on Russia, a day after Vladimir Putin accused them of blocking efforts to find peace in Ukraine; and the Women’s Institute has announced that trans women will be banned from membership from next April.