A mum has admitted killing her 6-year-old son and attempting to murder her dad on the same day. Youngster Alexander Zurawski was found dead at the family home in Swansea after suffering a "significant" neck injury on August 29 last year. His mum Karolina Zurawska, 41, appeared at Swansea Crown Court this morning where she pleaded guilty to both manslaughter and attempted murder - after also trying to kill her own father, Krzysztof Siwy, on the same day. The court heard Karolina was suffering