FILE PHOTO: Migrants from Central America, sent back to Mexico to wait for their asylum court hearing under the Migrant Protection Protocols (MPP), take part in a traditional Mexican "posada" or holiday party at Casa del Migrante shelter in Ciudad Juarez, Mexico December 23, 2019. REUTERS/Jose Luis Gonzalez

MEXICO CITY (Reuters) - Mexico rejected on Monday a U.S. proposal by which Mexicans seeking asylum in the United States could be sent to Guatemala, the foreign ministry said in a statement, adding that it was working with authorities to offer “better options”.