Police surround composed in Afghanistan is seat

Kabul- the Afghan security forces have surrounded a building in an Eastern province volatile after that at least four insurgents Taliban, including suicide bombings, staged a brazen Sunday of the Government assault, said the officials.

At least three police officers were killed in the early stages of the attack, said Mohammad Yaqub, police Chief Deputy for the Eastern province of Khost, near the border with Pakistan.

He said at least two explosions were heard shortly after the daring attack was launched.

The violence has enriched with Afghanistan in the course of the past few weeks, given that the Taliban have announced the start of their both anticipated "spring offensive" with attacks against targets so-called secure across the country.

In Kabul, a suicide bomber killed six medical students in an attack in the cafeteria of the main military hospital in a strongly protected area of the capital Saturday. More than 20 were injured.

American commanders had also warned an enrichment in violence this month above that the Taliban push against military gains against the insurgents in the South over the past 18 months.

Gunfire was heard shortly after the attack was launched in the traffic control center in a police compound in the centre of Khost, although city as the fighting tailed off the coast of several hours later than circled security forces building.

Khost police chief Abdul Hakim Esaaqzai, said that the attackers wore police uniform border. He said troops Afghans had entered the building to try to put an end to the siege.

Television pictures showed at least a building on fire as Afghan soldiers bypassed under a high wall outside the enclosure.

Several members of the NATO International Assistance Security Force (ISAF) also saw more away from the building, although they do not appear to be engaged in the fighting.

Spokesman of the Ministry of the Interior Zemari Bashary says at least three attackers wearing suicide vests were still inside the building. He said the dead included two police officers and a gardener and that four police officers were injured.

"The attackers are resistant from the compound, they are hidden. "A suicide attack jump himself into the building and three other are still resistant", said Bashary.

A car packed with explosives was found near the building and was taken to be defused, he said.

The outbreak of violence comes as U.S. and NATO forces are preparing to begin a gradual troop drawdown and transfer of the responsibility for security to Afghans in July.

The process is defined at the end with the withdrawal of the last troops foreign combat at the end of 2014.

Despite the presence of foreign troops 150,000, through the Afghanistan violence in 2010 has hit its worst levels since the Taliban was ousted late 2001 U.S.-backed Afghan forces.