A 25-year-old man being questioned over explosions at three mosques in Walsall, Tipton and Wolverhampton has been arrested in relation to "a further act of terrorism" in connection with the murder of pensioner Mohammed Saleem, West Midlands Police has said.
Mohammed Saleem Chaudhry, 82, was stabbed three times in the back as he walked home from a mosque in Small Heath, Birmingham in April.
Assistant Chief Constable Marcus Beale, of West Midlands Police, said: "The murder of Mohammed Saleem now forms part of the wider West Midlands Counter Terrorism Unit Investigation."
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