According to the Bangkok post Thai Airways unilaterally scrapped a 10 year long agreement to manage the Shah Amanat Airport in Chittagong. The reasons cited were delays in handing over the management due to "protests from Biman Bangladeshi Airlines employees and opposition from Bangladeshi politicians".
It remains to be seen who benefited from the cancellation.
Ps: Interestingly an identical article appeared in Salah Uddin Shoaib Chowdhury's Weely Blitz. I am wondering whether this was done with consent or simply a copyright violation.