Police have seized a tablet and mobile phone belonging to Batu MP Tian Chua for allegedly "seditious" tweets.

Tian Chua claimed the seizure was made last night at about 7.30pm by "thuggish" plainclothes police while he was at a meeting at Armada Hotel in Petaling Jaya.

"The police raid team surrounded Armada Hotel as if they were seizing a big time criminal and they publicly humiliated me in front of my guests.

"Friends, I'm now incommunicado and helpless – a technology-dependent life facing a connectivity crisis! Damn the police state!" he said on Twitter .

However, the PKR vice-president added, the police had a search warrant.

He also said the police had earlier seized his iPad tablet.

Tried to stop police car from leaving

Contacted today, Chua said he had tried to stop the police car by standing in front of it as the personnel were preparing to leave.

The police then alighted from the car and walked away, leaving the vehicle parked in front of the hotel, he said.

“I then left the place. I have no idea when they came back to the car,” he added.

Bernama reported that police have confirmed that the phone has been impounded to assist in their sedition investigations.

"Further information on the case will be disclosed in a media release later by the Public Affairs (division) of the Kuala Lumpur Police Contingent Headquarters," Kuala Lumpur CID deputy chief Khairi Ahrasa reportedly said.

Chua had last month tweeted that Prime Minister Najib Abdul Razak will be toppled within five months.

This followed the Court of Appeal's decision to convict PKR de facto leader Anwar Ibrahim for sodomy.

Ironically, Chua had, hours before the seizure, tweeted about Black14, a monicker referring to April 14, 1999, when Anwar was convicted of corrupt practice and sentenced to six years' jail.

In 2001, days before a rally to commemorate Black14, Chua's office had been raided and he was eventually held under the Internal Security Act.

"Memory of Black14 renewed with the continuation of crackdown, repression, raid etc: when will BN learn to respect citizen's basic rights?

"It's frustrating that nothing seems to have changed. Still the same bloody a** are in power and continuing with the show of force," he tweeted last night.

Chua has also been charged with sedition for remarks he made over the Lahad Datu incursion .