Supporters of Myanmar's detained leader Aung San Suu Kyi wore flowers in their hair and paraded with them at street demonstrations on Saturday as she marked her 76th birthday locked up by the generals who overthrew her.

Protests have been held almost daily in Myanmar since Suu Kyi was ousted in a Feb 1 coup that cut short a decade of democratic reforms and also sparked paralysing strikes and renewed conflict in the Southeast Asian country.

The United Nations General Assembly on...