The Kenya National Highways Authority (KeNHA) has warned motorists after a section of the Muthaiga–Kiambu (B32) Road collapsed between Fourways Junction and St. Mary's School–Runda. Engineers are assessing the damage to the Nairobi thoroughfare and have barricaded the affected area to ensure public safety.

• KeNHA issued the warning on Tuesday, September 9, advising adherence to traffic guidance provided by marshals and police.
• The collapse is the second recent sinkhole incident on a major Kenyan road, following a reappearance on the Nakuru–Eldoret Highway on September 5.
• Images shared by KeNHA show a large hole with visible cracks, indicating potential for further damage.