SAN FRANCISCO (AP) — Authorities have filed attempted murder and elder abuse charges against a man who allegedly stabbed two elderly women without warning at a San Francisco bus stop.

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Tuesday's attack was the latest in a number of attacks nationwide that involved Asian American victims.

Authorities announced charges Thursday against Patrick Thompson, who had a history of mental health issues.

He wasn't charged with a hate crime, but the district attorney's office says the investigation continues.

The woman, who were in their 60s and 80s, were treated for serious wounds and are expected to survive.

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