At least 20 people were killed and 50 others injured today in two blasts that struck a camp set up for those displaced by anti-militancy operations in northwest Pakistan. <br/><br/>The nature of the explosions at the Kuccha Pakka relief camp, located 30 kms from Hangu city in North West Frontier Province, could not immediately be ascertained. <br/><br/>The second blast occurred when a large number of people had gathered to remove bodies and help the injured after the first explosion. <br/><br/>Geo TV reports, the death toll in the twin blasts could well be above 25. <br/><br/>The Security forces have cordoned off the area and an emergency has been declared in hospitals. <br/><br/>About 300 internally displaced people were living in the relief camp. <br/><br/>The blasts came a day after a suicide bomber struck a hospital in the southwestern city of Quetta, killing 11 people and injuring 40 others. <br/>