Individuals who trespassed into the Customs Complex in Kelana Jaya while staging a protest against the implementation of the Goods and Services Tax (GST) could face legal action for trespassing.

Inspector-General of Police Tan Sri Khalid Abu Bakar said the Selangor police were looking into the case further action.

"They are trespassers, so letSelangor policelook into the case and those involved first," he told reporters after attending a Yassin recital in conjunction with the 208th Police Day anniversary at Bukit Aman Mosque here tonight.

He said this in response to report about several individuals arrested after they trespassed into the complex this morning.

"We cannot allow this situation to continue, I am surprised with what they want, as if to take control of the Customs Complex," he said.

According to online media reports, dozens of people were apprehended and the police had to deploy the Federal Reserve Unit (FRU) to control the situation at the complex.

The demonstration was believed to be masterminded by certain parties to protest against the implementation of GST on April 1.