KABUL - Afghanistan's Taliban said they launched a spring offensive on Sunday with multiple attacks against Western embassies in the central diplomatic area and at parliament in Kabul, with heavy explosions, rockets and gunfire rattling the city.
The assault, one of the most serious on the capital since US-backed Afghan forces removed the Taliban from power in 2001, highlighted the ability of militants to strike the heavily guarded diplomatic zone even after more than 10 years of war.
"These attacks are the beginning of the spring offensive and we had planned them for months," Taliban spokesman Zabihullah Mujahid told Reuters.
Heavy fighting erupted again more than five hours after the Taliban first struck, as dusk was falling over the capital and as mosques were issuing calls to prayer.
The Taliban said the main targets were the German and British embassies and the headquarters of Afghanistan's NATO-led force. Several Afghan members of parliament joined security forces repelling attackers from a roof near the parliament.
The coordinated attack is bound to intensify worry in the run-up to the planned withdrawal of foreign combat troops by the end of 2014.
Large explosions rattled the diplomatic sector of Kabul. Billows of black smoke rose from embassies while rocket-propelled grenades whizzed overhead.
Heavy gunfire could be heard from many directions as Afghan security forces tried to repel Taliban fighters.
The Taliban said their fighters were positioned on the rooftop of a tall building in the heart of the capital.
Taliban fighters also launched assaults in at least two provinces, a spokesman for the insurgents said.
The Interior Ministry said that initial intelligence on the wave of attacks across the country pointed to involvement of the Haqqani network, which is allied with the Taliban and one the most deadly groups fighting US-led forces in Afghanistan.
If the Haqqanis were involved, that is likely to hurt already strained ties between strategic allies the United States and Pakistan.
The United States has repeatedly urged the Pakistani military to go after the Haqqani network, which is believed to be based in Pakistan's North Waziristan region on the Afghan border.
"It's too early to say, but the initial findings show the Haqqanis were involved," Afghan Interior Ministry spokesman Sediq Sediqqi told Reuters.
The Taliban said in a statement that "tens of fighters", armed with heavy and light weapons, and some wearing suicide-bomb vests, were involved.
Kabul police said that three suicide bombers were killed and two were still resisting on the outskirts of the capital.
In Paktia province in the east, blasts and machinegun rounds obliterated the front of a three-story pink building occupied by insurgents who used it to attack a provincial police headquarters.
The assault in Kabul appeared to repeat the tactics of an attack last September when insurgents entered construction sites to use them as positions for rocket and gun attacks.
Sunday's attack took place hours after dozens of Islamist militants stormed a prison in neighboring Pakistan in the dead of night and freed nearly 400 inmates, including one on death row for trying to assassinate former President Pervez Musharraf.
Pakistan's Taliban movement, which is close to al-Qaida, said it was behind the brazen assault by militants armed with rocket-propelled grenades and AK-47 assault rifles.
Pakistan's Taliban are closely linked with their Afghan counterparts. They move back and forth across the unmarked border, exchange intelligence, and provide shelter for each other in a region US President Barack Obama has described as "the most dangerous place in the world".
Pakistan's Taliban have said in recent months they would boost cooperation with the Afghan Taliban in their fight against US-led NATO forces.
Both the attacks in Afghanistan and the jailbreak in Pakistan underscore Pakistan's failure to tackle militancy on both sides of the border eleven years after joining the US-led campaign against Islamist militancy.
Taliban spokesman Mujahid said it had been easy to bring fighters into the capital, and they had had inside help to move heavy weapons into place. He did not elaborate.Embassies targeted
Afghan security forces, who are responsible for the safety of the capital, scrambled to reinforce areas around the so-called green diplomatic quarter.
Attackers fired a rocket-propelled grenade that landed just outside the front gate of a house used by British diplomats in the city center, a Reuters witness said.
British embassy sources said staff were in a lockdown.
Two rockets hit a British Embassy guard tower near the Reuters office in the city.
Fighting was going on at some facilities of NATO's International Security Assistance Force (ISAF) and near the US, Russian and German embassies, ISAF said via Twitter.
An ISAF spokesman said there were no reports of casualties in the attacks on possibly seven locations in Kabul, and the US embassy said in a statement all its staff were safe.
A US defense official who declined to be identified said the attackers were using mostly small arms and rocket-propelled grenades, and "perhaps even suicide bombers".
Three rockets hit a supermarket that is popular with foreigners near the German Embassy, Reuters witnesses said.
Smoke rose from the vicinity of the embassy while women scurried for cover as gunfire crackled.
As the shooting went on, US army convoys could be seen coming to the area accompanied by Afghan police in flak jackets.
Embassy alarms were sounding. Staff at the embassies were not available for comment.
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