Food aid distribution centres in north-west Pakistan have been closed after a fatal suicide bombing by a woman outside a food depot in the Bajaur tribal district.
At least 40 people were killed and 100 wounded on Saturday as they queued for food being distributed by the United Nations food agency in the town of Khar.
An official from the World Food Programme says the government has since ordered the temporary closure of all four food relief centres in the Bajur district.
The ABC reports it is not immediately clear how long the food distribution points will be closed.
Officials on Sunday confirmed the bombing was carried out by a woman. it is the first proven case of a female suicide attacker in Pakistan.
Hair and pieces of a hand and feet painted with henna have been found at the site of the attack, which left "no doubt that the bomber was a woman," said one.