FILE – This undated file photo provided by Jennifer McLean shows her son, University of Montana student Guthrie McLean, in China. Montana Republican Sen. Steve Daines says police in central China freed 25-year-old Guthrie McLean early Monday, July 24, 2017, local time, after he was arrested in China a week earlier after reportedly injuring a taxi driver who was roughing up his mother in a fare dispute. Jennifer McLean told The Associated Press her son’s actions were justified because the taxi driver was hurting her. (Jennifer McLean via AP, File) (Associated Press)

BILLINGS, Mont. — An American college student is free following a weeklong detention for allegedly injuring a taxi driver who was roughing up his mother during a fare dispute, in a case that drew objections over the student’s treatment from U.S. lawmakers.

Guthrie McLean, a student at the University of Montana, was released from a detention center in Zhengzhou early Monday, according to his mother Jennifer McLean, a teacher who lives in the central Chinese city.

“We are very, very very, very happy,” Jennifer McLean wrote in an email to The Associated Press. She said the release — at 2 a.m. local time — came as a surprise after she’d twice previously been told to anticipate a release only to be disappointed.

“They have not finished the process completely, but we are hopeful it will go smoothly from here on,” she said.

The release followed an agreement…