The director general of the Department of Special Investigation said Monday that public prosecutors will summon 18 red-shirt leaders to face sedition charge.

DSI chief Tharit Phengdit said the DSI investigators and public prosecutors agreed during a meeting on April 10 to press the sedition charge against 18 red-shirt leaders.

Tharit said he will send registered letters to the 18 red-shirt leaders, telling them to report to public prosecutors to acknowledge the charge during May 2 to 6. The letters will be mailed on Tuesday.

Read more: The Nation