Developing markets specialist operator Millicom has struck a deal with African tower firm Helios Towers that will see ownership of 729 of the towers in its network in the Republic of the Congo (DRC) transferred to Helios. Under the deal, Millicom’s local operation Tigo will receive at least $45m in cash upfront and retain a significant minority interest in Helios’ own DRC subsidiary, Helios Towers DRC (HTD).