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Five stories you should know about this afternoon.

NATO ends co-operation with Russia. In a decision Tuesday, NATO said it would cease civilian and military co-operation with Russia, in response to the country’s annexation of Crimea. The decision was made as foreign ministers for the 28 NATO countries met in Brussels to discuss the ongoing tensions between Ukraine and Russia. Russia’s move into Crimea, which NATO views as illegal, means there can be no “business as usual,” NATO Secretary General Anders Fogh Rasmussen told reporters. The ministers also spoke of the possibility of deploying troops to neighbouring NATO countries, including Poland and the Baltic states. The move comes as Russian energy company Gazprom announced that it would no longer provide gas discounts to Ukraine, hiking prices more than 40 per cent.

Senator Colin Kenny is cleared by a Senate investigation. The Liberal senator had been facing three complaints that he sexually harassed a former staffer, but an independent investigation conducted by an outside security firm has found in favour of the senator, CBC reported Tuesday afternoon. CBC cited a leaked confidential report as the source of its information. The original complaint against the senator came from his former aid, Pascale Brisson, who worked for Kenney during the summer of 2013. She quit because of her working conditions, she told CBC.

Liberal MP Jim Karygiannis resigns. The long-time Toronto-area MP is calling it quits after 25 years in federal politics. But he’s not giving up on politics; he has his eye on a Toronto city council seat. Karygiannis, 58, made the announcement during a speech in the House of Commons Tuesday afternoon. He will now seek the municipal seat in the ward that overlaps with the Scarborough-Agincourt riding he represented federally. The current councillor in that Toronto ward, Mike Del Grande, has said he will not run again.

Naheed Nenshi buys the Calgary Sun (not really). In case you missed it, Calgary Mayor Naheed Nenshi penned a pretty funny April Fool’s Day editorial in the Calgary Sun, saying that he had purchased the paper from its Quebec separatist owner Pierre Karl Peladeau. “So, for a few bucks, access to my Twitter followers and the promise of a bike lane on Deerfoot to Sun HQ, I am now the proud owner, editor-in-chief and publisher of the Sun, or as it will be known henceforth, the Nenshi News,” the Calgary Mayor wrote. Other changes to the paper: reassigning top columnist Rick Bell to the restaurant review beat, a purple logo (Nenshi’s campaign colour) and the introduction of NENshine Girls.

Eat your veggies even more, says new study. Thinking of what to make for dinner? Make sure vegetables are on the menu. It used to be that five servings of vegetables and fruit was the minimum recommended for optimal health, according to World Health Organization guidelines published in the ’90s. But, a new study published in the Journal of Epidemiology and Community Health says at least seven servings is the minimum to improve overall health and 10 is optimal. Those in the study who ate at least seven servings of fruit and veg had a 42 per cent lower risk of premature death. “The clear message here is that the more fruit and vegetables you eat, the less likely you are to die at any age,” the study’s lead author told The Telegraph. Also, veggies were shown to be more beneficial than fruit. The good news: a serving in the study was just three ounces, that’s nine baby carrots or about half an apple.