Specially trained officers from Warwickshire Police are still believed to be inside Gurudwara Sahib in the town of Leamington Spa to negotiate with the other men.
Fifty-five people have been arrested after an eight-hour armed protest at the Gurudwara, BBC reported.
A spokesperson for Warwickshire Police said: "The report was received at 6.47 am after a group of between 20 and 30 men entered the temple. This is currently being treated as aggravated trespass and at this time we believe that it is an escalation of an ongoing local dispute."
However, the spokesperson said several of the weapons seized were kirpans, ceremonial daggers that are carried by Sikhs as an act of faith, the report said.
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"We would like to reassure people that this is not being treated as a terrorist incident," he added.
The spokesperson confirmed religious leaders in the temple were working with officers to negotiate a peaceful resolution.
"There are police cordons in place around the temple and we would ask that people avoid the immediate area while the incident is resolved," he said.
Jatinder Singh Birdi, a former treasurer at the temple, said a marriage between a Sikh and non-Sikh couple was due to take place.
"There have been tensions that have been going on for a couple of years with some people objecting to mixed marriages in taking place in the Gurdwara," Birdi said.
"The general consensus is people are respectful of mixed marriages if the traditions are respected. Nothing has happened on this level before. This is meant to be one of the happiest moments of somebody's life - it shows a lack of respect," he said.
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