Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.

A. There was something they couldn't quite recognise coming towards them.
B. The shape of the dark figure was something they hadn't ever seen before and they thought it might be time to contact the local authorities
C. A group of fishermen were about to get the experience of a lifetime.
D. On August 30, 2018, they were working in the Yangon Region of the south eastern Asian country of Myanmar, but were quickly disrupted.