Hastie says his stepping down gives Ley ‘clear air’ – but are storm clouds gathering for the Coalition?

The spotlight again falls on opposition turmoil as MPs return to Canberra, while Labor avoids scrutiny

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Senate estimates week in federal parliament is a rare chance for an opposition to subject a government to sustained scrutiny.

Indeed there is much for the opposition to scrutinise over the upcoming three days of hearings, including the government's oversight of the triple-zero system, handling of aged care reforms and the circumstances surrounding the return of six Australians from a Syrian detention camp.