Mexico City  - Mexican President Felipe Calderon saluted Friday the "constructive attitude" of the new US administration in the fight against drug gangs.

As he hosted US Homeland Security Secretary Janet Napolitano and US Attorney General Eric Holder in Mexico City, however, Calderon also expressed his "concern" over the fate of millions of Mexicans who live and work illegally in the United States.

London - Mexican President Felipe Calderon visited the heart of the British oil industry during a trip to Scotland Tuesday as part of a four-day state visit that will also include his attendance at the Group of 20 (G20) summit.

The president, and his partner, Margarita Zavala, arrived in Britain Monday to a ceremonious welcome by Queen Elizabeth II. Calderon and Zavala are the queen's guests at Buckingham Palace.

London - Mexican President Felipe Calderon was given a full military welcome, accompanied by pomp and pageantry, during his reception by Queen Elizabeth II for a state visit to Britain Monday.

The queen, 82, greeted the Mexican leader and his wife, Margarita Zavala, in bright sunshine at the historic Horseguards Parade ground at the start of the visit during which Calderon will take part in the Group of 20 (G20) summit meeting.

The couple will be guests of the queen and stay at Buckingham Palace for the duration of their visit.

London - Mexican President Felipe Calderon was given a ceremonial welcome full of pomp and pageantry as he was received by Britain's Queen Elizabeth II in London Monday.

The queen, 82, greeted the Mexican leader and his wife, Margarita Zavala, in bright sunshine at the historic Horseguards Parade ground at the start of a four-day state visit.

Mexico City  - Mexican President Felipe Calderon is to meet with Queen Elizabeth II, Prime Minister Gordon Brown and several British politicians and legislators during a state visit to Britain prior to the G20 summit next week in London.

"President Calderon will have an intense work agenda which includes meetings with the most relevant actors in political life of the United Kingdom," the Mexican president's office said Wednesday in a statement.

Buenos Aires  - Mexican President Felipe Calderon is likely to press a double demand when he attends the G20 summit in London next month, with the global crisis and the wave of violence that hits Mexico giving him many headaches in recent months.

On the one hand, as the leader of the 13th-largest economy in the world, he will be seeking to curb the severe effects that the international financial and economic crisis is having on Mexico, a country that is very heavily dependent on its northern neighbour, the now-troubled United States.