PHOTOS: Houston Pride festival and parade
Police on Sunday rounded up several activists who assembled on a main pedestrian street to issue a statement in honor of gay rights and to denounce the ban. Police later fired tear gas and rubber pellets to disperse activists gathering in side streets. Two European Parliament legislators were also briefly detained.
Istanbul's governor banned both last week's Trans Pride March and Sunday's broader LGBT pride parade, citing security concerns.
Last week, police also used tear gas and rubber bullets to break up demonstrators who gathered for the transgender parade in defiance of the ban.
See also: Pride in Houston