KOH PHANGAN– A highly respected medical specialist is fighting for his life in a coma after a horrific hit-and-run accident on the popular Thai island of Koh Phangan. Police have arrested Wilkoc Duncan, a British national who runs a local tour boat business, in connection with the crash. This shocking event has left both the local community and the medical world reeling, raising fresh concerns about road safety in tourist hotspots.
It was supposed to be a peaceful Saturday evening. Associate Professor Dr. Theerasak Kaewamattavong, a senior lung and critical care doctor, was walking along the road near a furniture shop. Without warning, a motorcycle slammed into him.
Instead of stopping to help, the rider sped away into the dark. The 53-year-old doctor was left lying unconscious on the road with a severe head injury. Bystanders quickly called for help, and he was rushed to Koh Phangan Hospital. Because his brain injuries were so serious, the medical staff quickly moved him to a larger hospital on the neighboring island of Koh Samui.

Police Arrest Briton
The local police wasted no time looking for the driver. Thanks to witness reports and quick action, they tracked down the suspect by Sunday afternoon. Police arrested 51-year-old British national Wilkoc Duncan as he was getting off a boat at a local pier.
Duncan is no stranger to the island. He operates a tour boat service on Koh Phangan and holds a business visa. When police found him, he had fresh scrapes and bruises on his body.
According to reports from the Bangkok Post , Duncan confessed to hitting a pedestrian with his motorcycle. Even worse, a police urine test showed that he had cocaine in his system.
He now faces a list of serious criminal charges. These include:
- Reckless driving causing serious injury
- Failing to stop and help an injured person
- Driving without a valid license
- Illegal drug use
Dr. Theerasak is not just any visitor to Koh Phangan. He is a senior doctor at a major hospital in Bangkok and teaches at Mahidol University. Beyond his impressive medical skills, he is known by his peers for having a big heart.
Every month, the doctor flies down to the southern islands. He takes time away from his busy city life to volunteer at the local Koh Phangan hospital. Friends and coworkers say he loves the peaceful nature of the island and enjoys giving back to the community.
His close friend and coworker, Wiyada Prasanpimp, shared her heartbreak on social media. She explained that this volunteer work was his way to relax and serve society. Now, she is begging for a miracle, hoping his brilliant mind and kind heart can be saved. Read more about the local response on Thai Newsroom .
A Desperate Fight for Survival
The medical team is doing everything possible to save his life. Scans at the hospital in Koh Samui showed bleeding in his brainstem and severe brain swelling.
Because of the critical nature of his condition, the medical team had to call for special backup. On Monday afternoon, a Royal Thai Police helicopter arrived at the Samui Airport. They airlifted Dr. Theerasak directly to Bangkok for emergency brain surgery. A team of top brain surgeons and advanced life-saving tools was waiting for him the moment the plane touched down.
This tragic event brings up a major issue in Thailand’s tourist hotspots: road safety. Every year, countless accidents happen involving motorcycles and tourists.
Often, these crashes involve people who do not have a proper license or who are driving under the influence of drugs or alcohol. The streets on these beautiful islands can be dark, narrow, and lack proper sidewalks. This makes walking at night very dangerous for both locals and visitors.
When accidents like this happen, they place a massive burden on local clinics. The island of Koh Phangan has basic medical centers, but they are not equipped for major brain surgeries or severe trauma. This means victims must be rushed by speedboat or helicopter to bigger cities.
This emergency travel is dangerous, expensive, and wastes precious time. For tourists, a bad crash can result in massive medical bills. For locals and volunteers like Dr. Theerasak, it turns a haven into a nightmare.
To stay safe while visiting islands like Koh Phangan, safety experts suggest a few key steps:
- Always walk facing traffic if there is no clear sidewalk.
- Wear bright or reflective clothing when walking at night.
- Never rent a scooter if you do not have a valid license and real driving experience.
- Never drive under the influence of alcohol or drugs.
As Dr. Theerasak fights for his life in a Bangkok hospital room, the legal process against Wilkoc Duncan is just starting. The local police are holding him in custody, and he will soon face a judge.
The people of Thailand, along with the medical community, are watching this case closely. They want justice for a man who spent his life healing others. This terrible hit-and-run is a harsh reminder of how quickly a life can change, and why strict road safety rules are so incredibly important.


















