The president of the Cleveland Police Patrolmen's Association has threatened to keep officers from working Browns home games this season in the wake of Browns running back Isaiah Crowell posting an image to his Instagram account that showed a man slitting the throat of a police officer.

Crowell's post came in the aftermath of the shooting deaths of Alton Sterling and Philando Castile, but the day before a gunman shot and killed five Dallas police officers.

Crowell, who included the caption, "Mood: They give police all types of weapons and they continuously choose to kill us... #Weak," later deleted the post and issued an apology.

"Last week was an emotional and difficult week as we saw extreme acts of violence against black men across our country as well as against police officers in Dallas," Crowell said in a statement. "I posted an image to Instagram in the midst of that emotion that I shouldn't have and immediately removed it. It was an extremely poor decision and I apologize for that mistake and for offending people."

But Stephen Loomis, president of the Cleveland Police Patrolmen's Association, said the "store-bought apology" wasn't nearly enough.

"You're a grown ass man, and you claim you were too emotional to know it was wrong? Think we'll accept your apology? Kiss my ass," Loomis told TMZ.com.

"He needs to go to Dallas, help the families who lost their loved ones last week, write them a check, look them in the eyes and give a heartfelt apology," Loomis continued.

Loomis called Crowell's Instagram post as "offensive as putting a picture of historical African-American men being hung from a tree in the '60s," adding that if Crowell doesn't go to Dallas and make a donation, "I will pull Cleveland officers, sheriffs, state troopers out of First Energy Stadium this season."

Crowell on Tuesday called Cleveland police chief Calvin Williams to apologize for the post. Williams told Cleveland.com that Crowell said he regretted the post and that he was caught up in the heat of the emotion of two black men losing their lives at the hands of the police.

As it stands, the Browns have no plans to cut ties with Crowell.

"We have spoken to Isaiah regarding his extremely disturbing and unacceptable social media decision,'' the team said Monday in the statement. "It was completely inappropriate and we have made him aware of our high level of disappointment. Isaiah has apologized but also knows that just an apology is insufficient and that he must take steps to make a positive difference after a very negative and impactful post.''