War is over, type of rule will be clear soon: Taliban spokesman
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"We assure everyone that we will provide safety for citizens and diplomatic missions. We are ready to have a dialogue with all Afghan figures and will guarantee them the necessary protection," spokesman Mohammad Naeem told Aljazeera news channel.
Al-Jazeera livestreamed the Taliban triumphant speech from inside the Presidential Palace in Kabul, showing a group of Taliban fighters sitting at the president's desk before a fighter claimed he was a former inmate of the US-controlled Guantanamo Bay detention centre in Cuba.
He said the group does not think foreign forces will repeat "their failed experience in Afghanistan again."
He continued: "We move with responsibility in every step and make sure to have peace with everyone... We are ready to deal with the concerns of the international community through dialogue."
US-backed Afghan President Ashraf Ghani said in a Facebook post after fleeing that he escaped Afghanistan to prevent a flood of bloodshed.
Foreigners in Kabul were told to either leave or register their presence with Taliban administrators.
Timeline of Taliban's sweeping offensive
The Taliban entered Afghanistan's capital Kabul, capping a sweeping military campaign as US-led foreign forces pull out of the country, AFP reports.
Here is a look at the offensive that began in May after the US President Joe Biden announces complete pullout plan.
In early May, NATO begins a final withdrawal of its mission in Afghanistan involving 9,600 soldiers, 2,500 of them American.
Intense fighting soon breaks out between the Taliban and government forces in the southern province of Helmand. A bomb blast outside a girls' school on May 8 in Kabul kills 85, mostly pupils. The deadliest attack in a year is blamed on the Taliban, though they do not claim it.
US forces withdraw from one of Afghanistan's largest air bases in Kandahar, the country's second-biggest city, in mid-May. The insurgents then seize districts in Wardak province near Kabul, and in the key province of Ghazni, which straddles roads connecting the capital to Kandahar.
By mid-June they have captured several districts in northern provinces, forcing military retreats.
The Taliban take control of the main Shir Khan Bandar border crossing with Tajikistan on June 22, prompting the Central Asian country to check the combat readiness of its armed forces.
Officials on July 2 announce the departure of all American and NATO troops from Bagram, Afghanistan's biggest air base, which served as the linchpin of US-led operations in the country for two decades.
Two days later, the Taliban seize the key district of Panjwai in Kandahar, the insurgents' birthplace and former bastion. The Taliban announce the capture of Islam Qala, Afghanistan's biggest border crossing with Iran, on July 9.
On July 14, the insurgents take control of the Spin Boldak border crossing with Pakistan, a major trade route between the two countries.
The Taliban offensive escalates sharply with a new focus on urban centres as the insurgents attack the cities of Lashkar Gah, Kandahar and Herat.
The United States and Britain say the Taliban may have committed war crimes, accusing the insurgents of "massacring civilians" in the town of Spin Boldak.
Eight people are killed on August 3 in a coordinated Taliban-claimed bomb and gun attack targeting the Afghan defence minister and several lawmakers in Kabul.
The Taliban shoot dead the head of the Afghan government's media information centre at a mosque in the capital on August 6.
The Taliban capture their first Afghan provincial capital, the city of Zaranj in southwestern Nimroz, "without a fight".
In the following days, several other northern cities fall: Sheberghan, Kunduz, Sar-e-Pul, Taloqan, Aibak, Farah and Pul-e-Khumri.
Despite the bloodshed and sweeping advances, US President Joe Biden gives no suggestion he will delay the troop withdrawal, which is to be completed by August 31, ahead of the 20th anniversary of the 9/11 attacks.
Afghan President Ashraf Ghani flies to the besieged northern city of Mazar-i-Sharif on August 11 to rally his forces.
But his visit is overshadowed by the surrender of hundreds of Afghan soldiers in nearby Kunduz and the overnight capture of a ninth provincial capital, Faizabad.
The Taliban capture Ghazni, 150 kilometres (90 miles) southwest of Kabul, on August 12.
Herat falls in the west the same day, and a day later the Taliban capture Kandahar and Lashkar Gah in the south.
The cities of Asadabad and Gardez follow on Saturday with Mazar-i-Sharif, which Ghani had visited just three days earlier.
Jalalabad is taken over by the insurgents early on Sunday, leaving Kabul the only remaining major Afghan city still under government control. Ghani flees the country, reportedly to Tajikistan.