HARTLEPOOL'S Savannah Marshall helped Great Britain's women boxers guarantee four European Championship medals in Rotterdam.

Marshall, Nicola Adams, Natasha Jonas and Lisa Whiteside all reached the semi-finals.

Marshall won her middleweight bout 13-6 over Poland's Lidia Fidura, and Whiteside beat Svetlana Kamenova of Bulgaria 13-9.

Double world silver medallist Adams was too strong for Denmark's Marielle Hansen, winning 14-6, while Liverpool light-welterweight Jonas pulled off a 19-12 win over Russia's Anastasia Bellyakova.

Nina Smith was beaten on countback by Turkey's Helina Bruyevich.