India, April 9 -- The organiser of the week-long boycott of Walmart in the United States that started on April 7 has urged supporters to "hold the line" in a video message. The 'Walmart Blackout' was organised by People's Union USA, a grassroots campaign group that mobilises its followers online via social media.

In a video message on Instagram, captioned "@walmart you're on deck!," founder John Schwarz told shoppers to withdraw their custom from Walmart stores. He has accused the company, as well as other retailers, of not paying enough taxes, putting a burden on American citizens.

"The Walmart Blackout is on," Schwarz said in the video. "From today, the 7th to the 14th, absolutely no Walmart shopping. No in-store Walmart, no online, n...