Anwar Ibrahim hurt badly, Ambiga was manhandled

2.41pm: PDRM Facebook: As of 2pm, 644 arrested - 597 males and 47 females.

2.43pm: KL Sentral - Pandemonium breaks out at KL Sentral as police fire tear gas in a closed environment as Bersih 2.0 and opposition leaders attempted to exit the station via Brickfields.

The tear gas forced protesters back into the station, which has been locked down. Journalists outside KL Sentral were barred from entering the station, making it difficult to verify the status of the situation.

It was however confirmed that a group of Pakatan leaders and individuals were arrested in the chaos, including Batu MP Tian Chua, Pantai Dalam MP Nurul Izzah Anwar, Kuala Selangor MP Dzukefly Ahmad, artist Wong Hoy Cheong, PAS president Abdul Hadi Awang's son and three other supporters.

2.45pm: KL Sentral - Anwar Ibrahim tweets that he has suffered a minor injury and that his two daugthers - Nurul Izzah and Nurul Hana - has been arrested during the melee.

Bersih 2.0 chief Ambiga Sreenevasan confirms that she has been arrested.

2.48pm: Puduraya - The crowd disperses into Tung Shing Hospital and a nearby Chinese school. Police are firing tear gas into the hospital in attempts to disperse the protestors.

There is brief respite as Subang MP R Sivarasa tries to negotiate with the police to allow protestors to move back to Masjid Negara.

2.50pm: KL Sentral - PKR vice-president N Surendran told Malaysiakini Anwar is bleeding from the head and injured in one of his knees.

2.52pm: Puduraya - At Jln Hang Jebat near Stadium Merdeka, 3,000 Bersih supporters are gathered here attempting to move over to Stadium Merdeka nearby.

They meet a blockade with barbed wire. The crowd, growing by the minute, groups i front of the cops and chant at them.

Led by PAS election director Hatta Ramli and PKR Johor chief Chua Jui Meng, the crowd calls for the police to remove the barricades to no avail.

The two leaders give a short speech each telling the crowd they have accomplished their mission in arriving at the stadium, despite being unable to enter.

They thank the police and tell the crowd to return to Central Market.

2.55pm: Bukit Bintang - There's a standstill between the Umno Youth's Patriot rally and the FRU with neither side budging.

About three arrests were made when Umno Youth tried to break through the FRU line, breaking out into a scuffle before a tear gas canister was fired.

2.57pm: Bukit Bintang - Umno Youth chief Khairy Jamaluddin has been arrested when he was found to be resting and clearing his eyes from the tear gas fired, at a shack just 100m from the FRU line.

Water cannons and tear gas have also been fired at the remaining Umno Youth supporters, pushing them back 50m from where they originally were.

The group has thinned out to about 200 people.

3.10pm: PDRM Facebook - The total number of people arrested as of 2.30pm has reached 672.