PANAMANIAN PRESIDENT Ernesto Perez Balladares ordered a full-scale investigation of his 1994 election campaign Saturday, just hours after revealing he had unwittingly accepted donations from an accused chief of the Cali cocaine cartel. . . . HURRICANE WARNINGS were issued from Zihuatenejo to Manzanillo on Mexico's Pacific coast Saturday night as Tropical Storm Alma was upgraded to a hurricane. . . . FOUR GUNMEN opened fire and hurled hand grenades at patrons of an outdoor restaurant in Diyarbakir, Turkey, Saturday, killing six people and wounding 13 near this Kurdish-dominated southeastern city. . . . A FORMER SOLDIER was convicted Saturday of murdering four co-workers at a Clarksville, Tenn., Taco Bell restaurant during a robbery in 1994.
