Thailand and Cambodia reaffirmed their shaky ceasefire violation after days of fighting along their border, as China stepped into negotiate with the two countries.

Thailand’s military accused Cambodian forces on Wednesday of breaching a ceasefire agreement at three separate locations along the disputed border, warning that continued aggression could compel Thai forces to respond more decisively.

A ceasefire between Thailand and Cambodia appeared shaky but remained in place Tuesday as tensions lingered despite a truce agreement to end deadly border clashes following economic pressure from the U.