LONDON (Reuters) - Britain's review of its 5G network resilience is still ongoing, a spokesman for Prime Minister Theresa May said on Monday after the Financial Times reported that security chiefs had concluded they could manage any risks arising from Huawei's involvement.The FT said on Sunday that the National Cyber Security Centre had found that the risks arising from the use of China's Huawei Technologies Co Ltd in 5G networks could be mitigated, citing two sources."Our review of the right..