Two people have died and 12 Navy personnel sustained injuries following an incident in Kinniya today.
The tense situation arose when the Navy and the Police attempted to nab illegal sand miners in the area.
The Navy said that two people had jumped into the river to escape arrest and one body was later found.
Angry area residents then attacked the Navy accusing them of killing the two people.
The Navy said that 12 Navy personnel were injured in the mob attack.