Two men are being questioned by police in Leicestershire as part of an investigation into weapons being smuggled into the UK.
The operation was launched after Border Force agents intercepted international packages containing pepper spray, which is classed as a firearm.
The men, aged 30 and 31, were arrested after officers raided two addresses in Leicester and one in Stony Stanton.
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It will be a grey start to Monday with patchy rain and drizzle moving in from the south.
Perhaps locally bright at first, but increasing cloud will bring periods of light rain from the south. Winds generally light.
Tonight will stay dry for most. There will be clear spells this evening leading to a chilly night to come.