KYIV, Ukraine (AP) — A team of U.N. inspectors made its way toward Ukraine's Zaporizhzhia nuclear power plant Wednesday on a perilous, long-sought mission to safeguard the site and prevent a catastrophe from the fighting raging around it.

Underscoring the danger, Kyiv and Moscow again accused each other of shelling the area around the complex overnight. Zaporizhzhia is the biggest nuclear plant in Europe.

Fighting in early March caused a brief fire at its training complex, and in recent days, the plant was temporarily knocked offline because of damage to a transmission line, heightening fears...