Robert Brown, who bludgeoned Joanna Simpson to death in 2010, is due to be released in November

The family of a woman bludgeoned to death by her estranged husband have called on the justice secretary to take urgent action, after learning that he will be released from prison at the start of November.

Robert Brown, who killed Joanna Simpson in October 2010, will be released after serving half of his 24-year sentence.