The hotspots included Sabak Bernam, Sungai Besar, Hulu Selangor, Tanjung Karang Kuala Selangor, Selayang, Ampang, Pandan, Hulu Langat, Serdang, Puchong, Kelana Jaya, Petaling Jaya Selatan, Petaling Jaya
Utara, Subang, Shah Alam, Kota Raja, Kapar, Klang, Kuala Langat and Sepang.
Selangor Contingent GE13 spokesman SAC Hasanuddin Hassan said more officers will be stationed.
"We have asked for Bukit Aman's assistance to deploy more men to the said locations.
"However, we will not overlook other locations. We will still be stationing our plainclothes men to monitor and ensure that there will be no political thugs wreaking havoc," he said.