4 workers die in accident (3)

(ANSA) - Milan, January 16 - Two workers died in an accident at a lamination plant in Milan Tuesday, local sources said.
    Another two are critical.
    The four inhaled toxic fumes while cleaning an oven at the Lamina factory, which works metal products, in Via Rho in Milan.
    The accident happened at around 17:00 local (16:00 GMT).
    The four were taken to two hospitals in Milan and one in Monza, where they were pronounced critical.
    Another two workers were less seriously hurt and are in a Milan clinic.