The two-day fourth Bangladesh-US Partnership Dialogue will begin in Dhaka on April 29, focusing on the expansion of security, trade and development ties between the two countries.

Under Secretary of State for Political Affairs of the US Wendy R Sherman will lead the US delegation at the meet, diplomatic sources said.

She is expected to arrive in Dhaka on April 28 and hold discussion with her Bangladesh counterpart Foreign Secretary Shahidul Haque.