SAO PAULO (Reuters) - Brazilian police arrested former Finance Minister Guido Mantega on Thursday as a sweeping corruption investigation struck further at the heart of the Workers Party (PT) that ran the country for 13 years.

NEW YORK (Reuters) - Federal and state prosecutors on Thursday announced charges against 10 men, including two onetime senior advisers to New York Governor Andrew Cuomo, in corruption and fraud cases involving state contracts worth hundreds of millions of dollars.

NEW YORK, Sept 22 (Reuters) - The United States and Russia failed to agree on how to revive a short-lived ceasefire in Syria during what the U.N. Syria mediator called a "long, painful, difficult and disappointing" meeting on Thursday.

UNITED NATIONS (Reuters) - The U.N. Security Council has given an international inquiry five more weeks to complete its report on who is to blame for toxic gas attacks in Syria as U.N. chief Ban Ki-moon, France, Britain and others push for those responsible to be punished.

CHESTER TOWNSHIP, Pa. (Reuters) - Republican presidential nominee Donald Trump said on Thursday he would work with U.S. lawmakers if elected to tie federal funding and tax breaks for colleges and universities to a "good faith" commitment by them to lower tuition costs for students.

CHICAGO, Sept 22 (Reuters) - Chicago Mayor Rahm Emanuel unveiled an expanded student mentorship program on Thursday with the aim of keeping at-risk youth off the streets and away from gangs in a city that is struggling against a wave of violence.

WASHINGTON, Sept 22 (Reuters) - The top U.S. general told Congress on Thursday it would be unwise to share intelligence with Russia and stressed that would not be one of the military's missions if Washington and Moscow were to ever work together against Islamist militants in Syria.

CAMBRIDGE, Mass. (Reuters) - Scientific research into how polyester pants affect the sex life of rats, what it's like for a human to live like a badger and how different the world looks when viewed through your legs was honored at this year's Ig Nobel spoof awards.

Sept 22 (Reuters) - A gunman opened fire at a manufacturing plant in eastern Tennessee on Thursday, killing two people before taking his own life, police and local media reported.