What went down

10.26am:  Red-shirt leaders mobilise protesters to help release Arisman Pongruangrong from police custody.

11am: Metropolitan Police spokesman declares Arisman arrested for provoking protesters to catch Abhisit.

 Red-shirt protesters rally in front of Criminal Court on Ratchadaphisek Road, where Arisman believed to be held.

12am: Red-shirt leader Jatuporn Promphan rallies 30 protesters at Border Patrol Police Region 1 headquarters, where Arisman believed being held.

12.10pm:  Protesters block road in front of Royal Thai Police headquarters.

12.30pm:  Protesters close Ratchadaphisek Road in front of the Criminal Court.

2.35pm:  Abhisit invokes the Emergency Decree in Bangkok and adjacent provinces.

Jatuporn tells the red shirts he went on a helicopter ride with Arisman to military camp in Phetchaburi. Red-shirt leaders tell protesters at Government House two of them were shot dead.

2.50pm:  Jatuporn appears at Government House. Protest leaders tell crowd two protesters shot dead.

3.05pm:  Red shirts surround Interior Ministry, trying to attack vehicles of the prime minister and Secretary-General Niphon Promphan.

3.20pm:  Army spokesman Sansern Kaewkamnerd says armed soldiers deployed to enforce state of emergency, but military will not stage a coup.

3.25pm:  red shirts take a PM's guard hostage from Interior Ministry, saying officer fired at protesters.

 Red shirts close roads around police headquarters and commandeer two military tanks at Siam Paragon heading to police headquarters.

4pm:  Two Army battalions and tank secure the Foreign Ministry.

 Two police companies block road in front of the residence of Privy Council President Prem Tinsulanonda.

 Protesters block roads at the Benchama Bophit Intersection.

 D Station declares it is going off-air.

 PM's Office Minister Satit Wongnongtaey says the signal cut was necessary to prevent further provocation.

4.17pm:  Protesters hijack 10 public buses as barricades at the Cho Por Ror Intersec-tion and other junctions around Government House.

4.45pm: Erawan Medical Centre director says no deaths have been reported, but six people were injured from clash at the Interior Ministry.

5pm:  Army spokesman says soldiers deployed to secure 50 points across Bangkok, while denying any Army vehicles taken by protesters.

 D Station resumes broadcasting.

5.11pm: Protesters block Yommaraj Intersection.

5.15pm: Deputy Prime Minister Suthep Thaugsuban, in charge of national security, authorises military and police take action against protesters to restore order.

5.20pm:  Abhisit appears on TV, telling people not to panic and threatening force to crack down on protesters.

5.30pm:  Some 100 protesters overpower an air-conditioned bus and use it to block the Thevakam Intersection.

 Riot police secure a stretch from the Marble Temple intersection to Metropolitan Police headquarters.

6.30pm:  Thaksin phones in to the red-shirt rally at Government House, urging supporters to come out and fight the military and police.