Pakistani authorities say they have negotiated a seven-day ceasefire after more than 80 people were killed in renewed sectarian violence in the north-west of the country.
Another 156 are said to have been wounded in three days of fighting in the tribal district of Kurram, near the Afghan border.
The violence began on Thursday, when gunmen attacked convoys of Shia Muslims travelling through the area under police escort. More than 40 died in that incident, which triggered revenge attacks.
Shia and Sunni Muslims have engaged in tribal and sectarian rivalries over land disputes for decades.
After negotiations on Sunday, government spokesman Muhammad Ali Saif said that both Shi'ite and Sunni leaders had agreed to halt the violence, Reuters and AFP news agencies reported.
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