The top stories on just-food this week had a distinctly French flavour. Danone issued a profit warning, with Spain's problems affecting the Activia maker. Meanwhile, French retail giant Carrefour's new CEO Georges Plassat made his first public appearance since taking the job, with the industry keen to hear how he planned to revitalise the world's second-largest retailer. Click on the headlines for more.

Spain sours Danone profits
The French dairy giant pointed to the challenges of operating in the Spanish economy as it announced a profit warning.

Carrefour's new CEO makes public bow
Georges Plassat, the new chief executive at the world's second-largest retailer, addressed the company's AGM this week. How does he intend to turn around the French retail giant?

In the spotlight: Rio+20
This week world leaders and government representatives convened in Rio de Janeiro for the United Nations Conference on Sustainable Development, taking place 20 years after the 'Earth Summit' of 1992. Ben Cooper reflects on Rio+20.

ITALY/GERMANY: Barilla puts Lieken on the block
Italian food group Barilla has put German baking business, Lieken, up for sale.

UPDATE: JAPAN: Tesco sees "increased focus on rest of Asia" with Japan exit
Tesco insisted today (18 June) its exit from Japan will enable the business to focus on further developing its operations in the rest of Asia.

On the money: ConAgra CEO stands by price increases
ConAgra Foods CEO Gary Rodkin has defended the US company's decision to increase prices on certain products as it sought to offset soaring commodity costs, even as cautious consumers baulked at the hikes.

US: Ralcorp's Gelit purchase for benefit of US operations - analysts
Ralcorp Holdings' motive for its purchase of Italian private-label frozen ready meals maker Gelit may have been to gain access to alternative channels in the US, according to analysts.

UK: Symington's buys baking firm Victoria Foods
Symington's has acquired fellow UK baking business Victoria Foods, a company that supplies products under licence for Nestle and Weight Watchers.

UK: Costcutter buy could give Morrisons "greater scope" in south - analyst
An acquisition of UK retailer Costcutter by Morrisons could give the grocer greater scope for expansion in convenience retail in the south of England, according to Conlumino analyst Simon Chinn.

CHINA: China to tighten and consolidate food safety regulations
The Chinese government has announced plans to consolidate and improve conflicting food safety regulations over the next five years.