'I am back,' says journalist Anas Mallick after brief disappearance in Kabul.

Pakistani journalist Anas Mallick said Friday he is back after he disappeared in war-torn Afghanistan's capital, Kabul, for nearly 12 hours.

"I am back," Anas - who works for the international news organisation WION - said in a brief statement on Twitter shortly after Pakistan Ambassador to Afghanistan Mansoor Ahmad Khan confirmed that the journalist was safe and sound.

Following Mallick's disappearance, journalists and activists expressed concerns and asked Prime Minister Shehbaz Sharif, Foreign Minister Bilawal Bhutto-Zardari, and other officials to ensure his recovery.

'Regarding reports about Pakistani journalist Anas Mallick, I have just talked to him on phone briefly. He is in Kabul and safe. Embassy will remain in touch with him,' the envoy said on Twitter.

He was in Afghanistan to cover the first anniversary of the Taliban takeover. The...