Officers were called to the 200 block of East First Avenue around 3 p.m. after a man believed to be armed walked into a home and barricaded himself inside, police told 6abc.
As a precaution, Malvern police chief Louis Marcelli ordered all residents within a four-block radius to stay in their homes.
The man, who hasn't been publicly identified by police, was taken into custody around 8:30 p.m., the outlet confirmed.
Neighbors told 6abc the residents of the home were not present at the time of the incident.
Click here to follow Daily Voice West Chester and receive free news updates.