Hong Kong Monetary Authority buying HK dollars with USD/HKD running along the top of its permitted band.
HKMA purchases of HKD now at $HK6.9bn.
For some background to the HKMA and their permitted trading band for the HK dollar, plus a chart going back 20 years showing how the HKMA have managed - see this post from yesterday: The Hong Kong Monetary Authority acts as Hong Kong's central bank.