Dhaka, June 28 -- A sudden wave of flags bearing the Kalema Tayyiba has spread across Bangladesh over the past two weeks, stirring debate over whether the display is an expression of faith or a political symbol with wider consequences.

The flags, usually printed in white Arabic script on black or white cloth, have appeared on roads, bridges, and flyovers, while groups carrying them have marched in several districts and staged motorcycle processions.

Those promoting the flags argue that if Bangladeshis can fly the flags of Brazil or Argentina during football tournaments, there should be no objection to a flag bearing the Kalema. They frame the issue as a question of double standards: if foreign football flags can fill streets, rooftops, ...