Since the incident he has received an outpouring of support and the hashtag #UnViolinParaElPana, or "a violin for the buddy.
The environmentally friendly car will eventually replace part of Mexico City's more than 130,000 registered cabs.
During the operation, 51 arrests were made, including three high-ranking officers, but 31 were later released.
The president is resisting calls to resign and has said he will fight the accusations.
The tilapia treatment can speed up healing by several days and reduces the need for pain medication.
Developers last July promised to relocate most of the zoo's 1,500 animals to sanctuaries in Argentina and abroad.
By law, any patient who arrives at a hospital in Colombia is admitted to the emergency room at no cost.
In 2016, the island registered for the first time in its history the record number of 4 million foreign visitors.
Suspicions that many of the stadiums for the 2014 World Cup were overpriced led to street protests during the tournament.
An estimated 40 percent of the roughly 11 million people currently in the country illegally stayed past their visas.