The Royal Thai Navy arrested 30 sailors after intercepting four Vietnamese fishing boats illegally trawling Thai waters.
The four unnamed boats were found 125 nautical miles off Koh Chuang. On board, sailors found the vessels stocked with Thai-brand food items, leading to suspicion they were assisted by Thais.
Navy officials said 19 illegal fishing boats and 168 crewmembers have been captured in the past six months.
The Royal Thai Navy arrested 30 sailors and intercepted four Vietnamese fishing boats, which may or may not have been assisted by Thai merchants trying to avoid overseas sanctions, fishing in Thai waters.