The Israeli army detained 12 Palestinians in different parts of the occupied West Bank in the early hours of Monday.According to an army statement, the twelve Palestinians were "wanted" by the Israeli authorities.The army gave no further details.Israel has staged a massive campaign of detentions across the West Bank since the kidnapping and the subsequent killing of three Jewish teens in mid-June.Hundreds of Palestinians, including several Hamas members, former ministers and lawmakers, have since been detained.