Venezuela's Hugo Chavez formally launches his campaign

The rally in the Venezuelan capital was all the more important after his opposition rival, Henrique Capriles led a 10km march with hundreds of thousands of supporters to register his candidacy.The 57-year-old Chavez promises  to fight, to battle, and of course to win,

According to Al jazeera, any turn for the worse in Chavez's health could mean the end for his movement. (Al Jazeera)