Little Rock police reported late Saturday that two officers had been struck by a vehicle on Colonel Glenn Road in the capital city.
One officer was hospitalized in serious condition, according to a department tweet. The other suffered minor injuries, the tweet said.
The driver was detained and was being questioned, according to the tweet.
Police spokesman Mark Edwards said Saturday night that he did not know if the officers were inside or outside a vehicle when they were struck.
No further details were available.