Protests organizers are said to have links with organized terrorist groups, such as the Túpac Amaru Revolutionary Movement (MRTA) and the Shining Path.
An explosion caused by — so far — unknown reasons left 25 people dead and more than 100 injured at the Mexico City headquarters of state-owned oil firm Petroleros Mexicanos (Pemex) late Thursday.
Foreign and local investors spent a total of $3.8 billion in 2012 and the trend is expected to continue this year, with planned investments already amounting to more than $4 billion.
Renowned hedge fund manager William Kaye says the world faces the prospect of another financial crisis should interest rates be increased and debt burdens be rendered unserviceable.