Bangladesh, Aug. 21 -- The Chittagong Port, Bangladesh's largest seaport, is facing mounting container congestion, with yard space nearing full capacity despite port operations running normally.

Officials said the port has been handling more than 40,000 containers daily for the past 20 days, compared with a normal level of 32,000-35,000. The port's maximum capacity is 53,500 containers.

As of Wednesday, 47,463 twenty-foot equivalent units (TEUs) were in the yards, slightly down from over 49,000 earlier in the week.

Data points to the build-up starting in early August. On Aug 1, there were 39,678 TEUs, which rose to 44,287 TEUs by Aug 4, and continued climbing in the following days.

But port officials said operations have not been aff...