The Supreme Court's ruling to allow President Donald Trump's travel ban go forward in part leaves more questions than it answers.
The bill has many critics and few outspoken fans on Capitol Hill, and prospects for changing that are uncertain.
The Homeland Security Department is set to announce new security for international flights bound to the United States.
In the United States, the attack affected hospitals and companies such as the drugmaker Merck.
Three Chicago police officers have been indicted on felony charges alleging they conspired to cover up the fatal shooting of black teen Laquan McDonald by a white officer.