At least 50 people have been killed and scores others injured after US drones fired several missiles on what Washington calls insurgents' targets in the troubled north-west Pakistan.
The causalities occurred when three drones fired countless missiles on Tuesday afternoon at the funeral procession in the South Waziristan bordering Afghanistan.
The missiles hit the funeral of people who were killed earlier in the day during a similar strike in the volatile region.
At least eight people were killed and a dozen other injured in the first US strike by an unmanned drone aircraft hit near Makeen village, 60 kilometres (37 miles) northeast of Wana, the main town in South Waziristan.
Large numbers of people have been killed in the US drone attacks inside Pakistan since 2006.
US drones have escalated missile strikes in Pakistan since the middle of last year.
The airstrikes are sa