Dhaka, Oct. 17 -- Biman Bangladesh Airlines has suspended all flights to Riyadh indefinitely amid security concerns following Houthi attacks in Saudi Arabia.

However, the national flag carrier said flights to Dammam could resume on Oct 21, subject to a review of the situation and the necessary approvals.

In a statement on Saturday afternoon, Biman said: "A decision on resuming flights will be taken after receiving further instructions from Riyadh airport authorities, and passengers will be informed accordingly."

Flights to Jeddah and Madinah remain operational, allowing passengers to travel to Saudi Arabia through the two international airports if necessary.

To cope with increased passenger demand, Biman is using higher-capacity aircr...