P169 CEEFAX 169 Sat 9 Apr 00:44/24 -n2n1 WORLD -/.%/.)/, IN BRIEF SWEDEN Shipping authorities have said they will ban Russian tankers from entering Swedish ports because of serious deficiencies in the ships' hulls. US Three world-famous tenors, Jose Carriras, Placido Domingo and Luciano Pavarotti, will perform togjthjr on the eve of the World Cup soccer final in July. ZAIRE The transitional parliament has passed a new constitution, after weeks of wrangling, djsignjd to bring togjthjr supporter and opponents of President Mobutu. Home 110 Politics 130 World 160 Newsround Main News Diary UK Maps