 It attracted some members from western countries, including Samantha Lewthwaite and Abu Mansoor Al-Amriki.In August 2014, the Somali government-led Operation Indian Ocean was launched to clean up the remaining insurgent-held pockets in the countryside.On 1 September 2014, a US drone strike carried out as part of the broader mission killed al-Shabaab leader Ahmed Abdi Godane, also known as Mukhtar Abu Zubair.