Assuming they weren't simulated, the first groups of Russian Kh-101 cruise missiles are expected to enter Ukrainian airspace via Sumy Oblast in around 30 minutes from now.

The Kh-101s will likely enter in multiple waves.

Missile in Kharkiv Oblast, flying to Izyum.

Edit: likely MLRS

Likely Kh-101 cruise missiles in northwestern Kharkiv Oblast.

3 groups of Kh-101 cruise missiles are detected, flying southwest to Karlivka, Poltava Oblast.

The missiles are beginning to turn to the west, flying towards Kremenchuk.

75 km from Kremenchuk.

New missiles are entering Kharkiv Oblast, flying on the same course.

Updated flight routes

Ukrainian fighter jets are airborne over Kyiv.

Either flying to shoot down drones or the Kh-101s.

The first missiles are approaching the Kremenchuk Refinery/power plant.

2-3 missiles

1 interception

2 missiles now approaching

Interceptor launches from Kremenchuk

Over the city

Flying to the HPP

1-2 impacts.

2-3 more missiles are flying to Kremenchuk from the east.

New missiles are entering Kharkiv Oblast.

Updated flight routes.