 She was also involved in the campaign to eradicate the "colour bar" in Nairobi, which designated separate areas in public spaces for Europeans, Asians and Africans.She was briefly arrested several times for these activities and issued with orders excluding her from Nairobi, which she flouted.Although her activities in Nairobi can be linked to records of her arrests there, Wambui’s claims of a more active role in Mau Mau battles are not supported by official records.