Russia and Pakistan Thursday pledged to boost economic ties and coordinate efforts to fight terror as the Kremlin welcomed the Pakistani president for a key visit after the killing of Osama bin Laden.

Asif Ali Zardari was making the first official visit by a Pakistani leader since the fall of the Soviet Union.

Kenya has tightened security around the home of U.S. President Barack Obama's step-grandmother after the killing of Osama bin Laden, an official said Thursday.

"In the wake of security challenges including terror threats, I can confirm that we decided to enhance security at the home of Mama Sarah ...," said regional administrator Francis Mutie, using the popular name for Obama's step-grandmother who lives in western Kenya.

Pakistan opened a 330-megawatt nuclear power plant built with China on Thursday, saying Beijing had been contracted to construct two more reactors in a bid to ease a crippling energy shortage.

The plant is at Chashma in central Punjab province, where a Chinese-aided power plant of similar capacity is already operational.

A U.S. drone fired two missiles into a vehicle in Pakistan's tribal district of North Waziristan on Thursday, killing at least five suspected militants, local security officials said.

It was the third such attack reported in Pakistan's tribal badlands on the Afghan border, which Washington has dubbed the global headquarters of al-Qaida, since U.S. commandos killed Osama bin Laden in a Pakistani city near Islamabad.

The treasure trove of intel obtained in the raid that killed al-Qaida leader Osama bin Laden included a handwritten journal containing his "operational ideas," a U.S. official said Wednesday.

Agents are studying the notebook for information on future al-Qaida plots, but the official described it as "just one of many things" found along with computers, hard drives, DVDs, flash drives and recording devices.

Two earthquakes struck southeast Spain in quick succession Wednesday, killing at least 10 people, injuring dozens and causing major damage to buildings, officials said. It was the highest quake-related death toll in Spain in more than 50 years.

The epicenter of the quakes — with magnitudes of 4.4 and 5.2 — was close to the town of Lorca, and the second came about two hours after the first, an official with the Murcia regional government said on condition of anonymity in line with department policy.

A Yemeni man arrested on a San Francisco-bound plane repeatedly shouted "Allah Akbar" as he tried to break into the cockpit, a court heard Tuesday, as he made an initial appearance.

Rageh Ahmed Mohammed Al-Murisi appeared sullen as a federal judge told the California resident he was charged with interfering with a flight crew, a felony that can carry up to 20 years in prison.

The United States said it expects Pakistan will "soon" allow it to question three women apprehended during the commando raid that killed Osama bin Laden, despite Islamabad's fury over the operation.

The apparent concession came as further details emerged about the dramatic May 2 assault in which the al-Qaida kingpin was shot dead by U.S. forces not far from Islamabad, eliminating the architect of the September 11, 2001 attacks.

A U.S. drone strike destroyed a vehicle in Pakistan's tribal belt on Tuesday, killing four militants in the second drone attack since the killing of Osama bin Laden, local officials said.

A security official said the drones fired two missiles into South Waziristan, one of seven districts in Pakistan's semi-autonomous tribal belt on the Afghan border that Washington has called an al-Qaida headquarters

French police captured seven suspected Islamist militants in raids in Paris and its suburbs, officials said Tuesday, as France tightened security in the wake of the death of Osama bin Laden.

Six suspects were detained on Monday but the main target of the operation, an Indian national who recently arrived from Algeria, was taken on Tuesday, according to officials close to the inquiry.