A prominent Venezuelan opposition lawmaker has been stripped of her seat after she raised the country's political crisis at a meeting of a regional body, a senior official said Monday.

National Assembly president Diosdado Cabello said Maria Corina Machado had forfeited her seat by addressing a session of the Organization of American States as a guest of Panama's delegation.

Just a year ago, Ruslan, a marine in Ukraine's top battalion stationed in the Crimean port of Feodosiya, helped Russian soldiers paint their armored personnel carrier for a military parade.

On Monday, he spotted the same vehicle being used to block the gate to his base as Russians showered its barracks with tear gas and stun grenades in a pre-dawn raid that took the unarmed Ukrainians by complete surprise.

Pakistan on Monday said it was "highly disturbing" to see attempts being made to implicate it in an attack on a Kabul hotel that left nine civilians dead, including an Agence France Presse journalist.

Afghanistan said on Sunday that the attack on Kabul's Hotel Serena was planned "outside the country," in a veiled reference to Pakistan.

Russian Foreign Minister Sergei Lavrov met his Ukrainian counterpart on Monday for crisis talks on the sidelines of a nuclear summit in The Hague, the Russian foreign ministry said.

The ministry posted a photograph on its website of Lavrov meeting Ukraine's interim Foreign Minister Andriy Deshchytsya for the first time since the Kremlin's seizure and annexation of the Crimea peninsula.

Russia on Monday redrew its official maps to include Crimea after annexing the peninsula, even though the move has not been internationally recognized.

Maps on the Kremlin and government websites include Crimea, describing it as the "youngest region of Russia."

North Korea on Monday fired a fresh warning that it would take nuclear "measures" if the United States does not end what the communist state described as provocations.

North Korea's ambassador to the United Nations, Ri Tong-Li, said that Pyongyang was "ready" with measures that would "demonstrate the power of the self-defensive nuclear deterrent."

At least 27 people died and more than 20 others were injured late Monday when a bus careered off a hillside road and into a ravine in northern Thailand, police told Agence France Presse.

Thailand's roads are among the world's deadliest and accidents are common, especially on buses travelling late at night.

Scores of rioters went on the rampage on Monday outside an abandoned building in Nigeria dubbed the "House of Horror" after decomposing human remains and skeletons were found there.

At least 20 people were injured and 12 vehicles damaged when about 50 people brandishing sticks and machetes were prevented from accessing the property in the southwestern city of Ibadan, an AFP correspondent said.

More than 100 people are still unaccounted for after a devastating landslide in the northwestern U.S. state of Washington, while eight people are so far confirmed dead, officials said Monday.

The number reported missing or unaccounted for rose dramatically from 18 to 108 after the massive landslide slammed "like a freight train" into a mountainside in Snohomish County.

There will be no G8 summit in Russia this year following the crisis in Ukraine, British Prime Minister David Cameron said on Monday, ahead of a meeting of G7 leaders in The Hague.

"We should be clear there's not going to be a G8 summit this year in Russia. That's absolutely clear," Cameron told British television.