An indefinite curfew was clamped on the area as rioting erupted after the market blast. At least seven shops were torched and several vehicles damaged, police said.
The government blamed the Liberation Tigers of Tamil Eelam (LTTE) for the blasts, though there was no reaction from them.
"The level of violence that erupted in Trincomalee today reflects the worsening situation in the entire country which primarily stems from the bad spirit and the mistrust which currently prevails between the two Parties," the Sri Lanka Monitoring Mission (SLMM) said in a statement Wednesday.
SLMM chief, Major General Ulf Henricsson, who was traveling in Trincomalee today hopes to meet the LTTE's political leader S P Tamilselvam tomorrow to discuss the upsurge in violence.
"There is a r