At least four Western journalists are missing in Afghanistan.
They were stopped by armed men between Jalalabad and Kabul. The gunmen tried to march the group up into the surrounding hills, and gunfire was heard.
The journalists were travelling in a convoy of six to eight cars through a province that recently came mainly under the control of anti-Taliban forces.
However, some Taliban stragglers and Arab fighters loyal to Osama bin Laden are still believed to be in the area.
Drivers said two of the cars were stopped by a group of armed men who forced the journalists from the vehicles. The drivers fled and warned the rest of the convoy to turn back.
Authorities in Jalalabad from the new anti-Taliban administration are organising a search in the area.
There was no immediate confirmation of the identities of the journalists involved.