Police have found hammers, replica guns and knives as they search parks and outside flats in the West Midlands.
More Arrests Over Digbeth Businessman's Murder
West Midlands Police have arrested a fourth man over an attempted armed robbery in Digbeth which left a businessman dead.
A 22-year-old from Derby is being questioned on suspicion of conspiracy to commit robbery.
Meanwhile, officers have been granted a further 36 hours to question a 50-year-old man from Birmingham who was detained on Sunday night on suspicion of conspiracy to rob.
Mr Javeed, a 56-year-old father-of-four, died in hospital after being shot in the neck at his drinks distribution warehouse in Rea Street South, Birmingham, on Wednesday February 3.
Suraj Mistry, 26 of Laundon Way, Leicester, and 18-year-old student Lemar Wali, of Osmaston Park Road, Derby, appeared before magistrates on Monday charged with Mr Javeed's murder.
Relatives of Mr Javeed, who lived in east London, paid tribute to him last week, describing him as a "humble and simple" father and grandfather who worked tirelessly to provide for his family.
A Birmingham copyright law expert has told Heart it'll be hard to prove Little Mix's new single directly copies a song by an American girlband.
A father and son have been jailed for almost 5 years between them for running a brothel in Birmingham which made a million pounds a year.
Police have arrested five men from Yorkshire over the death of a man found in the Black Country.
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