A 5.2-magnitude earthquake struck close to the Indian capital of New Delhi on Monday, with powerful tremors shaking buildings and sending frightened residents scurrying into the streets.

The quake struck shortly after 1:10pm (07:40 GMT) and the tremors lasted for around 10 seconds.

China denied Friday that a dam it was building on a major river in Tibet was impacting the lower reaches of the waterway in India, despite complaints that water-levels there were plunging.

The Brahmaputra has its source in China's southwestern Tibet region where it is known as the Yarlung Tsangpo, and it enters India in the mountainous, remote northeastern state of Arunachal Pradesh, where it is called the Siang.

A major river in India's northeast that originates in Tibet has suddenly dried up, triggering speculation that China might be responsible, a local official told Agence France Presse on Thursday.

The Brahmaputra has its source in China's southwestern Tibet region where it is known as the Yarlung Tsangpo, and it enters India in the mountainous, remote northeastern state of Arunachal Pradesh, where it is called the Siang.

India's home minister said Wednesday that police had foiled an attack by suspected militants from the Pakistan-based Lashkar-e-Taiba (LeT) group who were caught with explosives at a rail station.

P. Chidambaram told reporters that two men had been arrested at New Delhi's main station after a tip-off from intelligence agencies and work by three state police agencies.

U.S. Homeland Security Secretary Janet Napolitano has said the U.S. is closely monitoring the activities of Hizbullah after a failed bomb plot in Bangkok and attacks on Israeli embassy staff in India and Georgia.

Napolitano told lawmakers Wednesday that the Homeland Security Department has contacted Jewish organizations around the country and is working with the FBI and other law enforcement and intelligence agencies.

India will next month test a new long-range nuclear-capable missile which can strike targets more than 5,000 kilometers away, a defense research spokesman said on Wednesday.

The announcement came three months after India successfully tested its Agni-IV missile, which was previously the longest range missile possessed by the armed forces capable of travelling 3,500 kilometers.

Iran's "terrorist activities" have been exposed to the world, Israeli Prime Minister Benjamin Netanyahu said on Wednesday following a series of blasts in India and Thailand, which Israel has blamed on Tehran.

"At this time, Iran's terrorist activities have been exposed to everyone," he said, accusing the Islamic republic of "harming innocent diplomats across the world."

Indian investigators were searching Tuesday for the motorcycle assailant who attached a bomb to an Israeli diplomatic car in the heart of New Delhi, an attack the Jewish state blamed on Iran or its proxies, including Hizbullah.

Home Minister Palaniappan Chidambaram told reporters investigators were working on the assumption it was a terror attack carried out by a "very well-trained person."

Israeli diplomats were targeted by bomb attacks in Delhi and Tbilisi on Monday, officials said, with two people injured in the Indian capital when an embassy car exploded in a ball of fire.

Israeli Prime Minister Benjamin Netanyahu pointed the finger at Israel's regional arch-foe Iran.

Protesters blocked a main highway in restive Indian Kashmir on Saturday after a young man was shot dead by the army in what military officials described as an "accidental" shooting.

Ashiq Hussain Rather, 22, was killed late Friday when a soldier accidentally fired his rifle as security forces combed the area for militants, the army said.