units would also go to the Great Eastern, replaced by modified 310 units released by the delivery of Class 321/4 units in the West Midlands. These moves were complete by the end of the 1980s, and allocations remained broadly stable until privatisation and the period until withdrawal in 2003–04. Post-privatisation Upon privatisation, the fleet was divided between three franchises. Central Trains Central Trains inherited four units, 312725–728. These were primarily used on fast Birmingham New Street to Liverpool Lime Street services, and were painted in Regional Railways livery. Their stay with Central Trains did not last long and they were transferred to LTS Rail (since rebranded c2c) in 1996. First Great Eastern First Great Eastern inherited 24 units, 312701–724. These were used mainly on Colchester to Walton-on-the-Naze and Manningtree to Harwich services and London Liverpool Street to Ipswich and Clacton peak trains. In later years, two former LTS units, 312728/784, were acquired to replace accident-damaged units such as 312707, written off by an arson attack whilst stabled at Colchester Station on 11 March 2003. In 2003, First Great Eastern acquired new Class 360 units to replace these trains. Units were gradually removed from traffic, and by March 2004 only three sets, 312718/721/723, remained in service. A farewell charter train operated on their previous routes using two of these units. The final sets were used on peak trains, and were withdrawn on 25 June 2004 after the return of the five Class 322 units which had been on hire to ScotRail. With all sets on the London Liverpool Street to Southend service having been replaced by 321 units, the last service to survive east of Shenfield junction was the early morning 12 car service from Southminster to London, where 321 units could only operate in 8 car configuration. LTS Rail (c2c) c2c (operating the London, Tilbury and Southend franchise) inherited 21 units, 312729/730/781–799, later supplemented by the four former Central Trains units, 312725–728. These latter units were repainted in Network SouthEast livery, some of the last vehicles to be so treated. The final units were withdrawn from service in 2003, having been replaced by new Class 357/2 "Electrostar" units. Two units were later transferred to First Great Eastern to supplement their fleet as detailed earlier. Accidents and incidents On 20 December 1990, unit 312 714 was derailed at whilst working a to service. Preservation Vehicles 78037 and 71205 from unit 312792