“SIBU: The Malaysian Maritime Enforcement Agency (MMEA) has detained a tugboat towing a barge loaded with pebbles at Tanjung Manis, near here on Wednesday (Aug 19) for acting suspiciously.”

Source: The Star Online. https://www.thestar.com.my/news/nation/2020/08/20/mmea-detains-tugboat-barge-off-tanjung-manis-for-failing-to-furnish-port-clearance-pass