A blast Thursday in eastern Pakistan killed at least five people and wounded 15 others.
The explosion happened in an upscale market in the city of Lahore.
Officials said the cause of the blast was not immediately clear.
It comes a day after Pakistan launched it first ever nationwide military operation "to eradicate the threat of terrorism."
Pakistan has seen a recent surge in suicide bombings and militant attacks, which have killed at least 130 people in the past few weeks.An offshoot of the Pakistani Taliban and the Islamic State group have claimed responsibility for those attacks.