It is in relation to the death of a man in his 30s.
Last night, Ismaila Kamarra-Jarra, 18, from Milton Close, Basingstoke, has been charged with murder.
A 17-year-old boy, from Basingstoke, has also been charged with murder.
He cannot be named for legal reasons.
The charges have been issued after a man was found with serious injuries at a house in Musgrave Close, Basingstoke.
Officers were called to the address 11.14pm, on Sunday night.
The man was later pronounced dead.
Both teenagers will appear at Basingstoke Magistrates’ Court today.
Two other 18-year-olds, both from Basingstoke, were arrested on suspicion of assisting an offender.
They have been released under investigation, and police enquiries are ongoing.
A statement from Hampshire Constabulary said: ‘Officers remain at the scene while enquiries continue and people may see an enhanced police presence in the area.’