MATTESON, Ill. -- It was a tense Sunday morning for an otherwise quiet Matteson, Ill., neighborhood.
Police SWAT teams closed in on a house where some people inside were armed with guns. Two people are now in custody.
Several dozen others are being questioned.
The incident began around 2 a.m. when police started getting complaints about a loud house party. Once they responded, there were more 911 calls of shots fired
Police say a few people inside the home came out peacefully. Others refused to leave and eventually, police broke windows to throw in tear gas, then had to break the door down.
Police said they recovered four handguns and found between 30-40 shell casings on the ground.