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Fracas mars Mexico inauguration Fracas mars Mexico inauguration
(20 minutes later)
Rowdy scenes have erupted in Mexico's Congress an hour before Felipe Calderon is due to be sworn in as president.Rowdy scenes have erupted in Mexico's Congress an hour before Felipe Calderon is due to be sworn in as president.
Deputies seized the speaker's platform and tried to block the doors of the chamber. Punches were thrown.Deputies seized the speaker's platform and tried to block the doors of the chamber. Punches were thrown.
Members of the left-wing party, the PRD, say Mr Calderon won July's presidential election by fraud.Members of the left-wing party, the PRD, say Mr Calderon won July's presidential election by fraud.
The disorder followed an unusual midnight ceremony in which the outgoing President, Vicente Fox, handed over power to Mr Calderon.The disorder followed an unusual midnight ceremony in which the outgoing President, Vicente Fox, handed over power to Mr Calderon.
In the closed-door ceremony, Mr Fox handed the presidential sash to a military cadet to signify the end of his term in office.In the closed-door ceremony, Mr Fox handed the presidential sash to a military cadet to signify the end of his term in office.
He is not coming in the front entrance - thieves come in through the back door Mexican deputy Adriana DiazHe is not coming in the front entrance - thieves come in through the back door Mexican deputy Adriana Diaz
Mr Calderon described the event as the start of the process of taking possession of the presidency.Mr Calderon described the event as the start of the process of taking possession of the presidency.
However, opposition deputies argue he cannot become president without taking the oath of office, as outlined in Mexico's constitution.However, opposition deputies argue he cannot become president without taking the oath of office, as outlined in Mexico's constitution.
Mr Calderon's spokesman has said the incoming president still plans to come to the Congress to complete his swearing-in.
But the BBC's Duncan Kennedy in Mexico City says whether he can finish the constitutional process in front of the nation at the building intended for it is now in some doubt.
Parallel governmentParallel government
Barricading the main doors to the lower house, deputy Adriana Diaz said: "Calderon is not coming in here, we are going to stop him.Barricading the main doors to the lower house, deputy Adriana Diaz said: "Calderon is not coming in here, we are going to stop him.
"He is not coming in the front entrance. Thieves come in through the back door." Felipe Calderon says he will complete the swearing in"He is not coming in the front entrance. Thieves come in through the back door."
The Democratic Revolution Party (PRD) - whose candidate, Andres Manuel Lopez Obrador, lost the run-off by half a percentage point - has also massed crowds of supporters in the capital.The Democratic Revolution Party (PRD) - whose candidate, Andres Manuel Lopez Obrador, lost the run-off by half a percentage point - has also massed crowds of supporters in the capital.
Thousands of riot police have been deployed around Congress to prevent them from moving in.Thousands of riot police have been deployed around Congress to prevent them from moving in.
Mr Lopez Obrador last week launched a "parallel government" in Mexico City and held an unofficial swearing-in ceremony.Mr Lopez Obrador last week launched a "parallel government" in Mexico City and held an unofficial swearing-in ceremony.