The Sun reporter Alex West, the son of Admiral Lord West, was arrested for alleged drugs offences according Daily Telegraph sources.
West was said to have been approached by a drug dealer who offered him cocaine outside a night club in east London on 6 January.
He was later released without charge on police bail.
The editor of the Sun Rebekah Wade has suspended West who joined the paper last year.
Email pged@pressgazette.co.uk to point out mistakes, provide story tips or send in a letter for publication on our "Letters Page" blog