By Maggie Fick and Yamini Kalia (Reuters) -GSK shares jumped as much as 6.5% on Thursday after the British drugmaker struck a $2.2 billion settlement over U.S. lawsuits that alleged its discontinued heartburn drug Zantac caused cancer.

GSK shares in London jumped 5% Thursday after the British drug giant said it has resolved most of the U.S. lawsuits it faced around claims that its discontinued heartburn medicine Zantac causes cancer.

GlaxoSmithKline (GSK) saw its shares jump more than 6% after the pharmaceutical giant announced a settlement of up to $2.2 billion (€2.01bn) to resolve tens of thousands of lawsuits in the US related to its discontinued heartburn medication, Zantac.