Commuters have been left in chaos this morning as service problems between Chit Lom and Siam stations mean that many are still stranded on platforms and waiting for up to 20 minutes between stations on the Sukhumvit line.

Despite a Twitter post from the BTS at around 6:00am acknowledging problems on the line, commuters still found no warning outside stations that they would face long delays if they chose to use the Sukhumvit line.

Due to technical problems between Chit Lom and Siam Stations, passengers has changed train at Siam, and service is normal on Silom Line.

— BTS SkyTrain (@BTS_SkyTrain) February 23, 2016

Even by 11:30am, the non-descript follow-up messages on Facebook and Twitter fail to provide any assistance on how to make alternative travel plans for the estimated 700,000 people who rely on the BTS every day, while the company's official website remains blank of any notifications.

BTS train service update pic.twitter.com/nFC0yeRZaB

— The Nation Thailand (@nationnews) February 24, 2016

Passengers have been quick to point out that not everyone uses Twitter and Facebook as a source of information:

เวลา #รถไฟฟ้า ขัดข้อง เคยมีประกาศแจ้งทั้ง 2 เส้นทางว่าเส้นไหนมีปัญหา วันนี้เงียบฉี่เลยจ้า บีทีเอสควรตระหนักว่าไม่ได้เปิดทวิตกันทุกคนนะคะ

— fern (@KleinesFenster) February 24, 2016

"Not a word from the #BTS about the delay. The BTS people should realize not everyone is using Twitter."

Meanwhile, others have vented their frustration at recent fare hikes without improvements to service:

ขึ้นค่าโดยสารก็แล้ว โน้นก็แล้ว นี้ก็แล้ว เดี๋ยวก่อน... มึงยังไม่ได้มาตรฐานอีกหรอ #รถไฟฟ้า #BTS

— Duangyeewah|BKK. (@duangyeewah) February 24, 2016