Drug suspects flee after exchange of fire leaves ranger wounded 1 published : 28 Feb 2021 at 04:00 1 IN CUSTODY: Police officers and soldiers guard two of the three suspects arrested following a clash with members of a drug caravan in a forest area in Mae Chan district of Chiang Rai. CHIANG RAI: Three suspected drug couriers were arrested and 1.6 million speed pills seized following a clash in Mae Chan district on Friday night in which one ranger was wounded, local officials said yesterday. A team of rangers from the Pha Muang task force spotted a group of 10 to 15 Muser hill tribe men carrying bags in a forest area around 7.30pm on Friday. The team signalled to them to stop for a search but the men refused and opened fire. The rangers returned fire and the skirmish went on for about 20 minutes.