152863
Powers of Arrest A power of arrest without a warrant exists if a person is committing an offence , has been accused by an apparently credible witness of committing an offence , is being pursued by others from the scene of a crime , is causing a public danger or is offending public decency .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None