Bangkok , Thailand ( CNN ) -- three houses have been set on fire in recent clashes . Attacks and counterattacks between Muslims and Buddhists began in May . After months of tense calm , they have flared up again May . Authorities have extended Overnight curfews in several townships .
three houses have been set on fire in recent clashes . Attacks and counterattacks between Muslims and Buddhists began in May . After months of tense calm , they have flared up again May . Authorities have extended Overnight curfews in several townships .