A Bangkok Business News gossip writer and a fellow columnist have both been issued with writs from Tesco over stories they wrote in January.
Free speech campaigners have told the Guardian (which is also being sued by Tesco) that the supermarket giant is “on the warpath” and described the move as “ominous”.
Email pged@pressgazette.co.uk to point out mistakes, provide story tips or send in a letter for publication on our "Letters Page" blog