A suspected senior member of one of Mexico's major drugs cartels has been arrested, officials say.

墨西哥官员称，一名疑似某大型贩毒团伙的高级成员落入法网。

Carlos Beltran Leyva was arrested carrying false documents, police say

Carlos Beltran Leyva was arrested in Culiacan, capital of the northern state of Sinaloa, the public safety office said in a statement.

The arrest was made on Wednesday but only revealed late on Saturday.

Carlos Beltran Leyva, of the Beltran Leyva drugs cartel, is the brother of Arturo Beltran Leyva who was killed two weeks ago in a shoot-out枪战 with troops.

Arturo Beltran Leyva was known as "the boss of bosses" among Mexican drugs cartels.

Carlos Beltran Leyva, 40, was carrying a false driver's licence when he was arrested, the official statement said.

He later acknowledged he was Arturo Beltran Leyva's brother, it added.

He was also found to have two guns and ammunition弹药，军火, the statement said.

A source from the security ministry² told Reuters that he had since been transported to Mexico City.

The Beltran Leyva Organisation³ (BLO) was formed after a split in 2008 from the notorious声名狼藉的 and powerful Sinaloa cartel headed by Joaquin "Shorty" Guzman.

The two gangs operate along Mexico's Pacific coast and analysts⁴ say they are involved in a bloody⁵ feud⁶不和，争执 for control of lucrative有利可图的，赚钱的 smuggling⁸ routes into the US.

'Key member'

Mexican officials have previously⁹ described Carlos Beltran Leyva as a key member of the cartel, but it is unclear if he took over接管 as chief after his brother died.

Correspondents say a third brother, Alfredo Beltran Leyva, was arrested in January 2008 and a fourth, Mario, is still at large未被捕的 and sought by police.

Arturo Beltran Leyva was one of Mexico's most wanted men with a $2.3m reward on his head.

He died with four alleged¹⁰ members of his cartel in a raid by troops on a flat in Cuernavaca, just south of Mexico City.