Attempted assassination of Oyafune Monaka

The assassination attempt of Oyafune Monaka is an event that occurs in To Aru Majutsu no Index original light novels.

Chronology
Battle Royale Arc

After using a reader to scan the chips that Unabara Mitsuki found in Management apartment the found out that he was used to hire Sunazara Chimitsu and the location was the front plaza at the Seventh School District concert hall where Oyafune Monaka was alredy giving an address to a crowd. Thanks to GROUP's intervention her securety was put on alert and as they moved her of the stage one of her staff was hit by Sunazara Chimitsu's shot.

When ITEM heard about the assassination order given to SCHOOL to have her erased, they remarked that there's no reason behind it as she's not involved in anything important enough in the dark side of Academy City to warrant such an attack. This was done so Kakine Teitoku could steal the Tweezers from a Particle Engineering Lab which it's security would be in disorder whether the assassination was successful or not. Later events show that the attack on her may have been planned by Aleister to set off a chain of events to erase all internal problems such as the ones caused by BLOCK, and it didn't matter whether she lived or died.