A leading credit card operator in Britain Tuesday suspended all payments to WikiLeaks, saying that an inquiry was under way into how the website business operates, dpa reported
The decision by Visa follows similar moves by other service providers, including PayPal, British media reports said.
"Visa Europe has taken action to suspend Visa payment acceptance on WikiLeaks' website pending further investigation into the nature of its business and whether it contravenes Visa operating rules," a spokesman for the company said.
WikiLeaks relies on online donations from a worldwide network of supporters to fund its work