Two people, one believed to be a migrant and the other the alleged trafficker, died on Saturday in northern Greece while trying to evade a police checkpoint, police in the northern Greek city of Thessaloniki said. Twelve more people riding in the passenger car were injured, with the most serious injuries suffered by those stashed in the stolen car’s trunk. Both dead were Pakistanis, the driver a 27-year-old, police said. The injured included nine Pakistanis and three Afghans. The car, travelling from Greece’s land border west toward Thessaloniki, was flagged at a police checkpoint earlier on S…