The fourth day of campaigning in the 13th General Election was marred, when a home made bomb exploded and rocked a BN political ceramah in Nibong Tebal, Penang last night.
The blast not only triggered panic among more than three thousand people, who attended the event, but also injured one of the security workers on duty.
Police believed it was an act of mischief by professionals.
Police said the 10.15pm explosion occured near a pile of rubbish at the rear area of the stage use for the ceramah, which was held next to the Nibong Tebal BN operations centre.
Witnesses said, the blast sent debris flying, and the audience scampered to safety.
The 35-year-old victim was rushed to the Sungai Bakap Hospital and is reported to be stable.
Police including a forensic team who went to the scene also found another bomb planted inside another pile of garbage nearby the scene at about 2am.
The bomb was then detonated, about an hour later.
Penang police chief Datuk Abdul Rahim Hanafi said, based on investigations, the incident was planned by a group of professionals well-versed in using improvised explosive device, IED.
Police believed the two cigarette pack-sized explosives, which had been timed by the culprits to explode at different times, were not meant to cause injuries.
He added a special team, headed by state CID chief, Senior Assistant Commissioner Mazlan Kesah, has been set up to identify and apprehend those involved.
So far seven people have been called in to give their statement.
The case is being investigated under the Explosives Act, which provides up to seven years jail or 10 thousand ringgit fine or both upon conviction.