From online-gambling rings in eSwatini to SIM swapping in Kenya and cybercrime networks in Zambia, a wave of cross-border fraud is drawing African governments and China into closer security cooperation. China hosted East African security ministers and police chiefs in Lianyungang, Jiangsu province, on September 10 for talks on terrorism, kidnapping, online fraud and other cross-border threats. China’s public security minister, Wang Xiaohong, said Beijing would strengthen law-enforcement...