Alex Salmond died “totally out of the blue” while trying to open a bottle of ketchup, an eyewitness has said. The former Alba Party and SNP leader died aged 69 on Saturday at a diplomacy conference in North Macedonia, where police said he “fell sick and died on the spot” from a suspected massive heart attack. Mark Donfried, director of the Academy for Cultural Diplomacy, said attendees were eating lunch at the meeting in the historic lakeside city of Ohrid in the country’s southwest when he died. Speaking to Times Radio, Donfried said: “He came together with Tasmina Ahmed-Sheikh, also from the…