Center-left candidate Andres Manuel Lopez Obrador won Sunday's presidential election in Mexico with 53 percent to 53,8 percent of the vote, according to the National Electoral Commission's first estimate based on a quick count. .
Outgoing President Enrique Pena Nieto said he had spoken by telephone with Lopez Obrador and congratulated him on his victory, while vowing to work with his team to hand over power.
Conservative Mexican presidential candidate Ricardo Anagia has acknowledged the "victory" of his center-left rival Andres Manuel Lopez Obrador in the presidential election.
Anagia, leader of a center-right-center-left alliance, added that he had called Lopez Obrador and congratulated him on his victory.
US President Donald Trump on Sunday congratulated the "next president" of Mexico and assured that he "looks forward to working" with Obrador, after his victory.
"There is a lot that can be done for the benefit of both the United States and Mexico," the Republican tycoon said on Twitter, whose trade and illegal immigration policies have plunged relations between the two countries to a serious level. crisis, has led them to historical nadir.
Meanwhile, two party leaders were shot dead by gunmen on Sunday, Mexico's election day, following an election campaign tarnished by at least 145 political assassinations.
Flora Resentis Gonzalez, a member of the Workers' Party (PT, opposition), was shot dead in the state of Michoacan (west) shortly before the country's polling stations opened.
The woman succumbed to gunshot wounds "at 06:30 a.m. local time" in the Contepec community, according to a statement from state judicial authorities. Fernando Herrera Silva, a member of the ruling Institutional Revolutionary Party (PRI), was later assassinated in Acoluia, Puebla (central).
"We urge the state to guarantee the security of the electoral process," the PRI said in a statement.
The new killings further tarnished a campaign that was already described as "the bloodiest" in Mexican history, with at least 145 assassinations of politicians, 48 of whom were candidates for elected office, according to consultancy Etellekt.
This wave of killings is part of the general wave of violence affecting the whole country. Last year, 29.000 people were killed. More than 200.000 people have been killed since 2006, the year the Felipe Calderon government (2006-2012) decided to deploy troops to the streets to crack down on drug cartels.
The estimated 89 million voters in Mexico nevertheless participated, according to the National Electoral Commission and the observer mission of the United States of America, "en masse" in the process of electing the next President, 500 deputies, 128 senators, state and local officials, and mayors. A total of 18.000 officials will be appointed.
The official results of the elections are expected to be made public today.