Police search Kyoto animation studio where fire killed 33

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A woman prays to honor the victims of Thursday's fire at the Kyoto Animation Studio building, Friday, July 19, 2019, in Kyoto, Japan. A man screaming ...
Two men pay respects at a makeshift memorial site to honor the victims of Thursday's fire at the Kyoto Animation Studio building, background center, F...
Japanese Diet member, Kenta Izumi, left, and Buddhist monk, Matsumoto Genkun, pay respects at a makeshift memorial site in front of burned Kyoto Anima...
A man prays for the victims of Thursday's fire at the Kyoto Animation Studio building, Friday, July 19, 2019, in Kyoto, Japan. A man screaming "You di...
An investigator takes pictures inside the Kyoto Animation Studio building destroyed in an arson attack Friday, July 19, 2019, in Kyoto, Japan. A man s...
A woman prays to honor the victims of Thursday's fire at the Kyoto Animation Studio building, Friday, July 19, 2019, in Kyoto, Japan. A man screaming ...
A man gets emotional as he prays for the victims of Thursday's fire at the Kyoto Animation Studio building, Friday, July 19, 2019, in Kyoto, Japan. A ...
A man places flowers outside the Kyoto Animation Studio building consumed in an arson attack, Friday, July 19, 2019, in Kyoto, Japan. A man screaming ...
A man prays for the victims after placing flowers outside the Kyoto Animation Studio building consumed in an arson attack, Friday, July 19, 2019, in K...
A firefighter is seen through the window of the Kyoto Animation Studio building consumed in an arson attack, Friday, July 19, 2019, in Kyoto, Japan. A...

A woman prays to honor the victims of Thursday's fire at the Kyoto Animation Studio building, Friday, July 19, 2019, in Kyoto, Japan. A man screaming ...

Two men pay respects at a makeshift memorial site to honor the victims of Thursday's fire at the Kyoto Animation Studio building, background center, F...

Japanese Diet member, Kenta Izumi, left, and Buddhist monk, Matsumoto Genkun, pay respects at a makeshift memorial site in front of burned Kyoto Anima...

A man prays for the victims of Thursday's fire at the Kyoto Animation Studio building, Friday, July 19, 2019, in Kyoto, Japan. A man screaming "You di...

An investigator takes pictures inside the Kyoto Animation Studio building destroyed in an arson attack Friday, July 19, 2019, in Kyoto, Japan. A man s...

A woman prays to honor the victims of Thursday's fire at the Kyoto Animation Studio building, Friday, July 19, 2019, in Kyoto, Japan. A man screaming ...

A man gets emotional as he prays for the victims of Thursday's fire at the Kyoto Animation Studio building, Friday, July 19, 2019, in Kyoto, Japan. A ...

A man places flowers outside the Kyoto Animation Studio building consumed in an arson attack, Friday, July 19, 2019, in Kyoto, Japan. A man screaming ...

A man prays for the victims after placing flowers outside the Kyoto Animation Studio building consumed in an arson attack, Friday, July 19, 2019, in K...

A firefighter is seen through the window of the Kyoto Animation Studio building consumed in an arson attack, Friday, July 19, 2019, in Kyoto, Japan. A...

TOKYO (AP) — Japanese police are searching for clues into why a man set a Kyoto anime studio on fire, gutting the building and crushing the hearts of many comic fans around the world.

The man, screaming "You die!" stormed into Kyoto Animation on Thursday, doused it with a flammable liquid and set it on fire, killing 33 people and injuring 36 others. Witness accounts and reports Friday suggested the man had a grudge against the studio.

Police only have said the suspect, a 41-year-old who did not work for the studio, is from near Tokyo and is still hospitalized.

Media reports said Friday that the suspect told police he set the fire "because (Kyoto Animation) stole novels."

The attack shocked Japan and drew an outpouring of grief from anime fans.