Celaya [Mexico], April 3 (ANI): A mayoral candidate has been assassinated and three others have been injured in a shooting that shook the Mexican city of Celaya as the country braces for its impending general election, CNN reported. Bertha Gisela Gaytan, a mayoral hopeful for Celaya, met her untimely demise on Monday during a campaign event in the community of San Miguel Octopan. The Guanajuato state prosecutor’s office confirmed her death, unequivocally labelling it as an assassination. Alongside Gaytan, three other individuals, including city council candidate Adrian Guerrero, sustained inju…