As Mexico struggles to stop the bloodshed unleashed by its "drug wars," the violence casts a long shadow over ordinary life for many Mexicans.

A shootout in Mexico near the US border between suspected drug traffickers and police left at least 21 dead, including four officers, officials said Sunday.

US President Donald Trump said in a radio interview posted online Tuesday that he planned to designate Mexican drug cartels as terror groups.

Mexico has the most femicides of any country in Latin America, according to Amnesty International. The country was one of the first in the world to recognize femicide as a specific crime, which it did in 2007.

Following the dramatic resignation of president Evo Morales, now in Mexico where he has been granted political asylum, here is a recap of turmoil in Bolivia, stemming from a disputed October 20 election.

President Donald Trump offered Tuesday to help Mexico hunt the killers of nine Mormon women and children shot dead in a lawless border area and said the United States stood ready to back its southern neighbour in a "war" on drug cartels.

At least three women and six children from an American Mormon community in northern Mexico have been killed in an ambush in an area notorious for drug traffickers and bandits, a relative said.

Barcelona's Lionel Messi was called up by Argentina on Thursday for friendly games against Brazil and Uruguay next month. Messi has not played for Argentina since he was sent off against Chile in their victorious third-place play-off match in the Copa America on July 7.

Hundreds of Mexican migrants to the United States have reunited with their families for a few fleeting moments as part of the "hugs not walls" meetup on the US-Mexico border.

The bullet holes splashed across the walls are an unnerving reminder to residents of Culiacan: There is no telling when the narco-violence that terrorized the Mexican city last week could return.

Heavily armed gunmen waged an all-out battle against Mexican security forces Thursday as soldiers arrested -- then reportedly released -- a son of jailed drug kingpin Joaquin "El Chapo" Guzman in his home state, Sinaloa.

Lautaro Martinez fired a 22-minute hat-trick as Argentina thrashed Mexico 4-0 in a friendly international in San Antonio on Tuesday.