In early 1785 , King Bodawpaya of Konbaung dynasty sent Sending an expedition force to take Conquering Jung Ceylon ( Phuket ) to prevent Preventing_or_letting foreign arms shipments to Siam but the invasion force was driven Motion back .

In October 1785 , Bodawpaya pursued Coming_to_be an ambitious campaign Military_operation to expand Expansion his dominions into the lands of the former Ayutthaya Kingdom .