When 2 officers got involved, the average jumped to 4.98 rounds and with 3 officers or more to 6.48. The number of rounds fired per officer increases in multiple-officer shootings by as much as 45 percent over single-officer shootings, Aveni says. Again, he judges distance to be a likely factor. A higher volume of fire may be used to compensate for the lower hit ratio as distance increases, he speculates.
Subterranean rivers of London. The subterranean or underground rivers of London are the tributaries of the River Thames and River Lea that were built over during the growth of the metropolis of London. The rivers now flow through underground culverts.
London sewerage system. Map of the London sewerage system from 1882. The London sewerage system is part of the water infrastructure serving London, England. The modern system was developed during the late 19th century, and as London has grown the system has been expanded. It is currently owned and operated by Thames Water and serves almost all of Greater London.