ISBA, the group representing British advertisers, is threatening Facebook that if it turns out it has illegally passed on consumer data it will face a boycott from its members, Netimperative reveals.

Britons are leading Western Europe in online grocery shopping, Netimperative reports. More than half of the UK population (53%) regularly or sometimes buys groceries online, compared to 40% in France and 32% in Germany.

The Mayor of London, Sadiq Khan, has unveiled plans for a #LondonUnited campaign to remember those affected by terror attacks, "Campaign" reveals. The hashtag will be beamed on to the Houses of Parliament tonight, the anniversary of the Westminster Bridge attack, and subsequently when the London Bridge, Finsbury Park mosque and Parsons Green attack anniversaries fall.

The tech giants face a new form of taxation in the EU, the BBC reports. The figure is expected to be 3% of sales. This would circumvent schemes which divert huge revenues streams to areas of very low taxation or see a parent company charge an EU subsidiary a massive fee for using its name, so profit is mostly wiped out for tax purposes.

"Press Gazette" is reporting that the Government has won a battle to remove clauses from the Data Protection Bill that would have made publishers responsible for both sides' legal fees, even if they won court action over data protection. However, the site warns that Labour is expected to table amendments to try and reverse the removal of the controversial clauses.

Boots has been named the UK's top brand among women, "The Drum" reports. The top spot was previously held by M&S.

The UK's 5G auction is underway. Arguments had delayed the start of bidding but the BBC reports bids are now being invited from the four mobile operators as well as companies looking to be the country's guaranteed new market entrant.

Sir Martin Sorrell has told Advertising Week Europe delegates that the impending consolidation in the advertising industry will be sped up by consolidation among clients, such as the deal for Disney to buy Fox, "The Drum" reports.

ISBA is telling British advertisers to stand up to online abuse by responding with the #challengehate hash tag alongside a notification that the post has been #reported, Campaign reveals.

ITV has announced it is setting up a working group to discover how it can tackle its near 12% gender pay gap, "The Guardian" reports.