There were no other events, and the terminal explosion did not look like a firework, it was the terminal explosion that was at magnitude -9 . It looked like the graphic of the bolide on your site.
Location
Address
Stock, England (GB)
Latitude
51° 39' 46.67'' N (51.662965°)
Longitude
0° 27' 24.54'' W (0.456817°)
Elevation
93.748m
Time and Duration
Local Date & Time
2016-09-24 00:10 BST
UT Date & Time
2016-09-23 23:10 UT
Duration
≈1.5s
Direction
Moving direction
From up right to down left
Descent Angle
184°
Moving
Facing azimuth
179.18°
First azimuth
174.11°
First elevation
52°
Last azimuth
130.64°
Last elevation
21°
Brightness and color
Stellar Magnitude
-9
Color
White
Concurrent Sound
Observation
No
Remarks
-
Delayed Sound
Observation
No
Remarks
-
Persistent train
Observation
No
Duration
-
Length
-
Remarks
-
Terminal flash
Observation
Yes
Remarks
I saw bright flash of several colours, like a spectrum, on either side of the fireball
