An accidental blast at Iran's Abadan's oil refinery killed at least one person and injured more than 20 during a visit today by President Mahmoud Ahmadinejad, who was not affected and went on to make a televised speech, reports said.

President Mahmoud Ahmadinejad predicted the demise of arch-foe Israel from a Hezbollah stronghold in south Lebanon, just miles from the Jewish state.

"The whole world knows that the Zionists are goin