JINDO-GUN, SOUTH KOREA - APRIL 16: In this handout image provided by the Republic of Korea Coast Guard, passengers are rescued by the Republic of Korea Coast Guard from a ferry sinking off the coast of Jindo Island on April 16, 2014 in Jindo-gun, South Korea. The ferry identified as the Sewol was carrying about 470 passengers, including students and teachers, traveling to Jeju island. Credit Handout/Getty Images

South Korean coastguards and navy divers resumed their search on Thursday for nearly 280 people still missing after a ferry capsized in what could be the country's worst maritime disaster in over 20 years.

PRETORIA, SOUTH AFRICA - APRIL 14: (SOUTH AFRICA OUT): State prosecutor Gerrie Nel questions Oscar Pistorius during cross examination in the Pretoria High Court on April 14, 2014, in Pretoria, South Africa. Oscar Pistorius stands accused of the murder of his girlfriend, Reeva Steenkamp, on February 14, 2013. This is Pistorius' official trial, the result of which will determine the paralympian athlete's fate. Credit Pool/Getty Images

Accusing athlete of 'tailoring' his account of girlfriend's murder.

Demonstrators block the Pan-American highway in front of a line of riot police in Buenos Aires, on April 10, 2014, during a general strike in Argentina.

Stoppage idled ports, trains, city buses, and disrupted air travel.

US Navy crew members assist in search for missing Malaysia Airlines flight MH370.

Australian prime minister sounds cautiously optimistic note.

BERLIN, GERMANY - FEBRUARY 04: Turkish Prime Minister Recep Tayyip Erdogan speaks to supporters at a rally at Tempodrom hall on February 4, 2014 in Berlin, Germany. Turkey will soon face parliamentary elections and Erdogan is vying for the votes of expatriate Turks. Berlin has the highest Turkish population of any city outside of Turkey. Credit Adam Berry/Getty Images

In a speech to parliament on Tuesday, the leader assured lawmakers that the elections would be held without sparking tensions that could threaten the economy, in thinly-veiled warning to his opponents.

Workers in protective clothing carry a dummy grenade into a bunker during a press day at the GEKA facility on March 5, 2014 in Munster, Germany.

Time running out for Syria to hand over chemical weapons stocks.

BOSTON, MA - APRIL 15: Police officers carry flags during a wreath laying ceremony on the one year anniversary of the 2013 Boston Marathon Bombing, on April 15, 2014 in Boston, Massachusetts. Last year, two pressure cooker bombs killed three and injured an estimated 264 others during the Boston marathon, on April 15, 2013. Credit Andrew Burton/Getty Images

Families gathered to pay tribute to the victims of the bombings.