Dhaka, June 17 -- The interim government is facing multiple complications in its efforts to evacuate Bangladeshis from Tehran as Israel continues to launch fresh attacks on Iran.

Acting Foreign Secretary Ruhul Alam Siddique said about 400 of the estimated 2,000 Bangladeshis in Iran are currently in Tehran -- the group now considered most at risk.

"We've already started relocating those in Tehran to safer zones. Initial costs are being covered using funds held by our embassy," Ruhul told bdnews24.com.

A lack of direct banking channels due to US sanctions is complicating urgent fund transfers for evacuation.

"Sending money is very difficult. The banking system doesn't work there," he said. "This delay is mainly due to those restrictions...