Mexico had earlier appealed to the UN court to sanction Ecuador for storming its embassy in Quito.
Featured Content
Mexico has a tradition of granting asylum, but experts see political motive behind offers made under Lopez Obrador.
But the three-member panel also upheld his ongoing imprisonment, arguing it could not ‘modify’ his sentence.
Demonstrators used a truck to ram the palace door, as part of a protest for justice in the case of 43 missing students.