Germany cast doubt on whether a four-way summit on the Ukraine crisis in Kazakhstan's capital Astana on Jan. 15 would take place on Monday and France's president said the meeting would depend on the likelihood of "new progress" being made.
Jury selection is set to begin on Monday in the trial of the man accused of carrying out the 2013 Boston Marathon bombing that killed three people and wounded more than 260 others in the largest mass-casualty attack on U.S. soil since Sept. 11, 2001.
A New York judge is due to hear arguments on Monday whether to make public records of a grand jury hearing into the case of an unarmed black man killed after a policeman put him in a chokehold while arresting him for peddling loose cigarettes.
Iranian President Hassan Rouhani called for curbs on the state's involvement in business and an end to Tehran's international isolation on Sunday to help rescue an economy hurt by sanctions, corruption and mismanagement.
