News brief: Big stories of the day

Iran said Sunday it considered Britain's seizure of an Iranian oil tanker a breach of the ailing 2015 nuclear deal, as the remaining parties to the accord meet in Vienna in another attempt to salvage the agreement.

Tens of thousands of pro-democracy protesters defied authorities to hold an unsanctioned march through Hong Kong on Sunday, a day after riot police fired rubber bullets and tear gas to disperse another illegal gathering, plunging the financial hub deeper into crisis.

Afghanistan's president marked the official start of the country's election season Sunday by insisting "peace is coming" and that pivotal talks with the Taliban would take place.

Israel and the United States have successfully carried out tests of a ballistic missile interceptor that Prime Minister Benjamin Netanyahu said Sunday provides protection against potential threats from Iran.

A large blast rocked Afghanistan's capital city Sunday injuring at least six people, just hours after the official start of campaign season for upcoming presidential elections.