A mosque and a shrine were destroyed on Thursday by an explosion triggered by pro-Taliban militants in Pakistan's restive Khyber tribal region though there were no casualties.
The blast at Landi Kotal in Khyber Agency targeted the mosque and an adjoining shrine, officials said.
The local administration said the bomb was planted inside the mosque.
Security forces surrounded the area after the blast and launched a search operation.
No group claimed responsibility for the attack.
