Families who refuse to quarantine after trips to India are blamed for Covid surge in Bolton - mainly in overcrowded areas where up to eight people live in two-bed homes
About 1,500 of Bolton s residents are thought to have travelled to South Asia in February and March this year at the peak of lockdown
Rush to return may have brought Indian variant as people refused to self-isolate
In the week to May 16, Bolton saw 982 positive cases, up 438 on previous week