A 32-year-old man was arrested and taken to Ramsey County jail on suspicion of aggravated assault, police spokesman Peter Panos said.
The building was struck at 7:30 a.m., and the only person inside was not hurt. The clinic's front door and surrounding stonework suffered minor damage.
Tim Stanley, executive director of Planned Parenthood Minnesota, North Dakota and South Dakota, said patients were still being seen at the clinic Thursday. It's the only Planned Parenthood clinic in Minnesota that performs abortions.
Panos said police were trying to confirm the man's name before forwarding felony charges to the Ramsey County attorney's office. Investigators believe the crash was not an accident.
"That's our belief -- that it was an intentional act," Panos said. "Usually we have some demonstrations there on this day, but someone doing actual damage is very, very rare." The landmark Roe v. Wade decision legalizing abortion was issued Jan. 22, 1973.
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