(CNN) The number of homeless people in Britain is soaring by more than 1,000 a month, and reached a total of 320,000 in the first quarter of this year, according to research released Thursday by homelessness charity Shelter.

The charity's report reveals that roughly one in every 200 Britons were sleeping on the streets or in temporary accommodation in the first quarter, with an increase of 13,000 individuals -- a 4% rise -- over the second quarter of 2017.

The worst affected region is London, with a total of 167,853 people classed as homeless, or roughly one in every 53 people. Outside the capital, the cities of Brighton on England's south coast (one in 67), Birmingham in the West Midlands (one in 73) and Manchester in the north of England (one in every 135) are also particularly affected by the crisis.

The number of homeless people in Britain has risen by 13,000 in the past year.

The largest increase in homelessness in England was seen in the West Midlands, Yorkshire and Humber and the northwest.

Newham in east London was ranked as England's worst local authority for housing insecurity, with a total of 14,611 residents being classed as homeless, or roughly one in 24 people.

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