Two women have been found dead at a home in Lower Grange, Bradford.
The women, aged 38 and 51, were found on Sunday afternoon. Paramedics and police attended and both were pronounced dead at the addresses.
The women are not related but were known to each other. The police have not linked the deaths at this stage.
The deaths are being treated as unexplained and post mortems have taken place. Cause of death at this stage has not been established and further toxicology tests will take place.
Both addresses have been subject to extensive searches. Local officers have been present in the area today reassuring the community.
Two local men aged 31 and 45 have been arrested in connection to the investigation, interviewed and released on police bail.
Police are appealing to anyone who may have any information to contact them on: 101 or call Crimestoppers on: 0800 555 111.