Syria: Rebels says they now control main air base in the north. Pakistan: Karachi police on high alert after four separate bombings kill more than 110 people. France/Mali: French President Francois Hollande says his country is ready to help stop advance of Islamist rebels in Mali but only with UN approval. Venezuela: Supporters of cancer-stricken President Hugo Chavez march in Caracas on day he should have been sworn in for new term. China: Landslide in southwestern province of Yunnan kills at least 29 people. Bangladesh: Muslims gather for Bishwa Ijtema, their second biggest gathering after the Haj.