Greater Manchester Police is due to hold a news conference at 12:10pm.
It is expected that further details will be revealed of an arrest made in connection with an offensive Facebook page set up following the deaths of PC Fiona Bone and PC Nicola Hughes.
More top news
Philip Hammond's financial commitment to the NHS in this year's Budget falls short of what is needed according to hospital bosses.
As well as preparing his speech the Chancellor had spent some time preparing his gags, one of which included a prop.
An overview of the reaction to key policies in Chancellor Philip Hammond's 'forward thinking Budget'.