Mexico City Police Department clashes with Federal Police protesters blocking International Airport entrance.

Congressmen have spent more than 137 million pesos in traveling expenses since 2012

Dante Delgado heads the list of party leaders who travel too often and at the taxpayers' expense.

Public Function Secretary officials spent more than 3 million pesos in travel expenses during 2015.

Mexican politicians bid farewell to the Pope and profits.

Congressmen broke new record in 2014 travel expenses.

Mexican Congressmen spend $2.8 MXN in travel expenses during first seven months of LXII legislature.