At least five people have been killed and 17 others injured in a spate of violence in Pakistan amid deteriorating security situation.
A man was killed and 15 other people were injured when some motorcyclists hurled a hand grenade at people near Rainbow Center in the Southern Port City of Karachi.
In a separate incident, a man was killed when unidentified individuals threw a hand grenade into a shop in Queta, a city in the southwest Baluchistan province.
Meanwhile, Taliban militants in Waziristan tribal region killed three people on charges of spying for the United States.
The Pakistani government has rejected a proposal for negotiations and a ceasefire by the Taliban, saying militants should disarm before any talks can be held.