Two more men have been charged with the murder of Jonjo Highton in Preston, taking the number of people charged to seven.
Stephen Walton, 23, of no fixed address and Zaahid Patel, 19, of Park Avenue, Preston have been charged with murder.
Both were due to appear at Preston Magistrates on Tuesday.
Six other people were arrested for offences linked to the investigation and were released on police bail.
Minhaj Musa, 20 of Deepdale Road, Preston; Sabaar Dal, 19 of Alice Square, Preston; Owen Whitesmith, 19, of Glebe Close, Preston; Arron Graham, 22 of Ripon Street, Preston and Craig Walton, 26, of Watling Street Road, Preston were each additionally charged with murder last week.
A 27-year-old man of no fixed address was bailed pending further enquiries in relation to murder and reported for summons in connection with being concerned in the supply of class A drugs.