By 18 October, 81 protestors, activists, guards, students and truck drivers have been arrested in connection with pro-democracy protests, according to Thai Lawyers for Human Rights (TLHR). 

Protesters raising postesr rallying for releasing of people who were arrested and put in detention. Those in the posters are Jatupat Boonpattararaksa and Parit Chiwarak.

TLHR records that as of 12.00 on 18 Oct, 80 people had been arrested and 1 more was added to the count after a voice amplifier truck driver was arrested later that night as he returned from the protest at Victory Monument. He was charged the next morning and his voice amplifier equipment and truck were seized.

76 have been charged, 27 are currently in temporary detention and 8 are still in police custody.

As a result of the 13 October protest: 21 people and activists were arrested trying to set up camp outside Satriwithaya School, close to the Democracy Monument, in preparation for the protest the next day. 20 were denied bail by Dusit Municipal Court. The other, aged 17, was allowed bail by the Juvenile Court.

The 14 October protest: 26 people arrested, including Anon Nampa, Parit ‘Penguin’ Chiwarak, and Panussaya Sitthijirawatthanakul, leading protest figures who have repeatedly called for monarchy reform. They, plus Prasit Karutarote, another activist, were denied bail. 

Anon and Prasit are now under detention in Chiang Mai Prison while 3 others are in Thanyaburi District Prison.

The 15 October protest at Ratchaprasong: 7 people arrested, 6 of whom were voice amplifier truck crew. They were allowed bail of 20,000 baht each by Pathumwan Municipal Court. The 7th person was arrested for shouting “Dictator’s lackeys” at the police. Pathumwan Municipal Court allowed bail at the same amount.

The 16 October protest at Pathum Wan intersection where the police dispersed protesters using riot control and high-pressure water cannon: 12 were officially arrested including a Prachatai reporter, Kitti Pantapak, whose Facebook live report was interrupted as police grabbed his device. Kitti was released with 300 baht fine for defying a police order.

Another 3 were arrested and/or charged on 16 October for an incident on 14 October. Boonkueanoon Paothong and Ekkachai Hongkangwan were charged with harming Her Majesty the Queen's liberty under Section 110 of the Criminal Code. They were accused of blocking the Queen’s royal procession. Another was Somyot Prueksakasemsuk for his participation in the 19 September protest.

Somyot and Ekkachai, former lèse majesté prisoners, were denied bail and remanded at the Bangkok Remand Prison. Boonkueanoon was allow bail.

The 17 October protests: 8 people were arrested. 6 were charged in Bangkok and taken for questioning at the Border Patrol Police Region 1 headquarters in Pathum Thani. 1 was charged over his participation in a 22 August protest in Ubon Ratchathani, and another was charged and questioned at Pattaya Police Station for violating the Computer Crimes Act.