Oscar-winning actress Reese Witherspoon pleads no contest to a disorderly conduct charge, after her arrest last month in Atlanta, Georgia.

The US moves to tighten its screening of international students, its first security change in response to last month's Boston bombings.

President Barack Obama says he does not envisage sending American troops to Syria, as US reports suggest Israel conducted an air strike there.

US President Obama and Mexican counterpart Enrique Pena Nieto agree to boost economic ties and combat drug-trafficking during talks in Mexico.

The author of To Kill A Mockingbird sues a literary agent she says tricked her into assigning him the copyright on her Pulitzer Prize-winning book.

The war on drugs will not be won unless Latin American economies are strong, President Barack Obama says ahead of a meeting with Central American leaders.

US media reports say Israel has conducted an air strike inside Syria, as President Obama makes clear he does not foresee sending US troops there.

Venezuelan President Nicolas Maduro accuses former Colombian leader Alvaro Uribe of plotting to assassinate him - a claim denied as "immature".