Thailand's military chief has said that his troops could use force to end escalating political violence in the country.
Three people were killed and more than 20 others were injured in an overnight attack on anti-government protesters in the capital, Bangkok, on Wednesday.
And the election commission said the July vote might have to be postponed because of the ongoing unrest.
A total of 25 people have been killed and almost 800 others injured since demonstrations began six months ago.
Al Jazeera's Veronica Pedrosa reports from Bangkok.