UPDATE | Kansas City, Missouri, police say at about 12:30 a.m. Thursday, the male subject of interest and the additional male exited the residence and were taken into custody without further incident.
ORIGINAL STORY | Police in Kansas City, Missouri, are assisting the Clay County Sheriff's Office and US Marshals agents in a standoff with an armed man.
According to KCPD Sgt. Jake Becchina, the individual was seen coming in and out of a residence in the 10300 block of N. Elmwood Court.
Deputies and agents first responded to the location at 4:30 p.m.
They had an arrest warrant and attempted to make contact with the man.
A confrontation ensued during which the man was armed.
Deputies and agents surrounded the home to prevent the man from escaping. They also attempted to talk the man into surrendering.
KCPD responded to the scene at around 6 p.m. and made the decision to call a standoff.
Officers and negotiators are on scene attempting to negotiate a peaceful ending.
Police have asked residents in the area to evacuate or shelter indoors.
At least one other man is inside the home but is not believed to be held against his will.