Failed building boss and departing Senator Bob Day has gone to ground as the fallout continues over the liquidation of his building group which has left hundreds of contractors and home buyers counting the cost.

Debts to contractors and suppliers are reported to top $12.5 million but the construction union has warned that most are likely to get nothing once Senator Day’s Home Australia Group is wound up. In a statement to staff and contractors, the Family First Senator apologised for the “pain, stress and…