On 9 July authorities discovered two VBIEDs in the southern Yemeni port city of Aden. Details of the discovery remain unclear. The discovery follows the 2 July bombings in Marib that killed seven spanish tourists. Yemeni forces have been carrying out a series of operations following the Marib incident. At least 15 suspected al-Qaeda militants have been captured and one killed in a shootout with police in Sanaa on 4 July. For more on the threat from terrorism in Yemen see below.