In 60 Seconds - Hostage situation in progress in Australia

AUSTRALIA: A hostage situation is in progress in a downtown coffee shop in Sydney. CUBA: Latin American and Caribbean leaders held the 13th meeting of the ALBA regional bloc. MEXICO: Protests continue to demand justice for the 43 forcibly disappeared students in Guerrero State. COLOMBIA: FARC rebels denied accusations of having links to drug traffickers. USA: Protests against the killings of unarmed black men by police officers continue across the country. PALESTINE: Thousands of Palestinians poured into the streets to mark the 27th anniversary of the founding of Hamas.