Harassment, false allegations and police ambivalence

We recently moved to a heavily Eastern European populated area in Ealing. My family have lived in Ealing for over 50 years. A White family have stolen our trash (!) tried to break into our home, incited their children to terrorise my Autistic child, made false allegations against us. The police refuse to investigate my complaints but have pulled me in for questioning when they’ve made vindictive online complaints against us. I’m now on anti depressants and barely able to get out of bed in the morning