A 21-year-old man was last night in police custody after being arrested on suspicion of conspiring to murder teenager Connor Tremble.
The Carterton man was arrested by police in Hereford early yesterday.
William Blencowe, 20, of Oxford Road, Banbury, appeared in court earlier this month charged with stabbing 17-year-old Connor at his Iffley Fields flat on February 13. Grant Clemens, 23, of Stockwells in Moreton-in-Marsh, Gloucestershire has appeared in court accused of assisting an offender. Both were remanded in custody.