The death toll from a 6.9-magnitude quake that hit the India-Nepal border has risen to 63, officials said Monday, with much of the affected area cut off by landslides.

At least 35 people were killed in India's northeastern state of Sikkim in Sunday's quake, Home Secretary R.K. Singh told a press briefing in New Delhi, while building collapses and landslides claimed another 13 lives in adjoining Indian states.

U.S. Secretary of State Hillary Clinton pressed Pakistan on Sunday to take action against Haqqani militants the United States blames for an attack on the U.S. embassy in Kabul, officials said.

Clinton met in New York with Pakistani Foreign Minister Hina Rabbani Khar for 3.5 hours of "very substantial" and "very candid" talks that began and ended with counter-terrorism, Clinton spokeswoman Victoria Nuland said.

Eight people including six police officers were killed and several more wounded Monday in a car bomb attack targeting a senior policeman in Pakistan's financial capital Karachi, officials said.

Senior Superintendent Aslam Khan, who was unhurt but whose home was destroyed, told Agence France Presse he had been threatened by the Pakistani Taliban -- which is allied to al-Qaida -- and that he was the target of the attack.

At least 14 flights were delayed Monday at Qantas's Sydney Airport domestic terminal after two people entered a secure area without being properly screened, the airline said.

The security breach forced the re-screening of thousands of passengers, and followed similar incidents at both Sydney and Melbourne airports earlier this year.

The U.S. government is considering establishing a direct military hotline with Iran after a series of close encounters between U.S. and Iranian forces in the Persian Gulf, The Wall Street Journal reported late Sunday.

Citing unnamed U.S. officials the newspaper, on its website, said the United States is especially worried about a fleet of speedboats likely controlled by the Islamic Revolutionary Guard Corps, Tehran's elite military force.

Thousands of Flemish nationalists marched Sunday under tight security on the outskirts of Brussels to stake their claim to a part of Belgium at the heart of the country's linguistic feud.

Amid a sea of yellow-and-black flags and balloons -- the colors of northern Dutch-speaking Flanders -- separatists clamored "Our country!" through the largely French-speaking streets of Lindebeek as police helicopters hovered ahead and 300 officers stood watch.

Turkey will freeze its relations with the EU if Cyprus takes the union's rotating presidency next year before a solution is reached on the divided island, the deputy prime minister said late Saturday.

"If the negotiations (on Cyprus) do not end positively and the EU handovers the presidency to southern Cyprus, the main crisis will be between the EU and Turkey. Because then we will freeze our relations with the EU," Anatolia news agency quoted Besir Atalay as saying in a TV interview in northern Cyprus.

U.S. President Barack Obama embarks on a diplomatic marathon this week at the United Nations, touting his approach to Libya, but hoping to contain Palestinian ambitions for statehood.

Leaving behind for 48 hours domestic battles with Republican opponents and an uphill battle to see his jobs plan move through Congress, Obama will huddle with a host of world leaders on the sidelines of the U.N. General Assembly and speak before the chamber early Wednesday.

A bomb explosion killed one border guard and injured two others in the troubled Russian Caucasus region of Dagestan over the weekend, investigators said on Sunday.

The makeshift bomb targeted a two-car motorcade carrying border guards between the villages of Kitlyart and Khupri, the Moscow-based investigative committee said.

Hong Kong police said Sunday they have made the southern Chinese territory's largest ever cocaine bust, seizing more than half a ton of the drug, worth around $77 million.

Authorities said drugs officers raided separate locations over the weekend, including a warehouse in the city's suburbs, finding a total of 567 kilograms (1,250 pounds) of cocaine.