OKLAHOMA CITY (AP) - An Oklahoma Highway Patrol chief has been charged with trying to blackmail the state's Department of Public Safety commissioner. The Oklahoman reports that a grand jury on Thursday charged Captain Troy D. German with extorting Commissioner Rusty Rhoades in an effort to gain a promotion or state office appointment. German's attorney says his client denies any accusations of blackmail, and that he's a whistleblower who exposed corruption at the highest levels.

OKLAHOMA CITY (AP) - An attorney for former University of Oklahoma President David Boren says Boren denies any inappropriate behavior during his more than 20 years at OU and described a university probe as a 'character assassination.' A university spokeswoman confirmed late Wednesday the Jones Day law firm has been retained to conduct an investigation after OU received allegations of 'serious misconduct.' Spokeswoman Lauren Brookey did not say whether Boren was a target of the probe.

OKLAHOMA CITY (AP) - An FBI informant says he was paid more than $23,000 for cooperating in an investigation that led to charges against a man accused of trying to detonate what he thought was a 1,000-pound bomb outside an Oklahoma City bank. TV station KWTV reports Brent Elisens testified Wednesday during the trial of Jerry Varnell, who has pleaded not guilty to attempted use of an explosive device and attempted use of a weapon of mass destruction. Elisens says he met Varnell on Craigslist in 2015.

OKLAHOMA CITY (AP) - Authorities say two residents and four firefighters were injured while crews battled a house fire in northwest Oklahoma City. Oklahoma City television station KWTV reports the four firefighters were injured when they fell off a ladder while trying to rescue a woman from a second-story window. The woman was taken to a hospital and authorities say her injuries are life-threatening. Authorities say a man in the house jumped from the building to escape the blaze and was also hurt.

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