1.   They were overcome by unidentified toxic fumes and died, Antara said.

2.   Thirteen people collapsed Wednesday after inhaling unidentified fumes in an office building in Seoul, triggering a police alert, witnesses and press reports said.

3.   There have been other less serious incidents involving unidentified fumes since the March attack, though they have not been linked to the doomsday cult.

4.   Two people collapsed in a Tokyo subway station Sunday after inhaling unidentified fumes, Jiji Press said.

5.   Seventy people suffered minor injuries after inhaling unidentified fumes at a Tokyo cinema overnight, though no arrest has been made, police and hospital officials said Sunday.