Trade Principal Secretary Dr. Chris Kiptoo has hinted at escalating the trade spat between Kenya and Tanzania if the neighboring country does not yield ground to allow Kenyan products. Dr. Kiptoo while speaking in Lokichar, says Kenya has given Tanzania and Uganda one more month to lift a ban on duty?free entry of Kenya?made sweets or face retaliatory action from July 1. The move has already seen Kenyan manufacturers lose out on revenues. ?