Another student, Pathuxolo Manana, 22, says he does not believe Ms Semenya was mistreated or had her rights "violated".

BBC: South African relief as Caster Semenya gets back on track

"What we don't want is to create some vague prospect in the future that somehow comprehensive immigration reform that includes a pathway to citizenship will happen, you know, manana, " Mr Obama said, using the Spanish word for "tomorrow".

BBC: Immigration reform: Obama sees deal within six months

Only manana will tell.

CNN: Mexico's new leader measured against old corruption