Washington, Dec. 22 -- A US Congressman condemned the mob lynching of a Hindu man in Bangladesh and called on authorities to protect religious minorities as the South Asian nation grapples with political unrest.

Rep. Raja Krishnamoorthi, an Illinois Democrat, said Monday he was "appalled" by the targeted killing of Dipu Chandra Das amid what he described as dangerous instability in Bangladesh.

"The Government of Bangladesh must aggressively pursue a full and transparent investigation and prosecute all those responsible to the fullest extent of the law," Krishnamoorthi said in a statement.

"It must also take urgent action to protect Hindu communities and other religious minorities from further violence."Bangladeshi authorities have arrest...