(MENAFN - Khaleej Times) Thick fog covered almost all the parts of Abu Dhabi on Saturday morning, affecting visibility. The National Centre for Meteorogly (NCM) said the fog formation started late on Friday will continue till 11am on Saturday and authorities have warned motorists to drive carefully. The Abu Dhabi Police announced activation of speed reduction to 80kmph on major external roads to ensure safety of motorists. Through their social media posts, the police reminded all drivers to comply with the instructions shown on smart towers. Speed limits are automatically reduced on Abu Dhabi roads and highways during adverse weather or foggy conditions.