WHAT TO KNOW

* Three officers were killed and two others were wounded in a shooting in North Codorus Township in York County, Pennsylvania, on Wednesday, Sept. 17, officials said. * The shooting occurred shortly after 2 p.m. ET in the area of Haar and Emig roads. * Four of the officers were with the Northern York Regional Police Department while a fifth was a York County sheriff’s deputy. Officials revealed Wednesday evening that three of the officers died from their injuries while two of them survived. * Officials said police were serving a warrant in the area when a suspect pulled out a gun and fired at them. Officials also revealed that the suspect was shot and killed by police. * A shelter-in-place was put in effect in the area but it was later lifted. * Agents with FBI Philade

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