P185 185 YLE TEKSTI-TV 5.02. 2121:13 NEWS I ENGLISH O DA  Extremism on the rise? S. African government fears backlabh An attack on the British embassy in Pretoria on "unDay hab increaseE fears that white extremists may lash out in anger at bupporters of the bweepinF political changes announced recently by PresiDent F.W. de Klerk. "ight-winF whUtek vow to resist de Klerk's lifting of restrictions on anti-apartheid Froups and his promise to free black nationalist Nelson Mandela. They hane baid they wUll taVe vp brmb and begin an underground white guerr- Plla movement if they believe tPe gon- ernment has abandoned white privelege. NEWS I BRIEF 186 I DEX 180