Three children and a man were found dead at a home in Staines-upon-Thames yesterday, Surrey Police has revealed. Officers were alerted by the local ambulance service ahead of visting the address on Bremer Road, Spelthorne, at around 1.15pm on Saturday. The next-of-kin of those who died were aware and being supported by specialist officers after the deaths were confirmed. Police believe the incident is isolated and appeared to dismiss any third-party involvement. Bremer Road was closed to allow officers to carry out its investigation. A Surrey Police spokesman said: “Officers were called by Sou…