The Securities and Exchange Commission has widened its investigation into mutual funds to include those held by millions of Americans in retirement accounts.

The police say they are widening their investigation into mistakes made by the department.

The committee has only recently widened its investigation to look more closely at Qwest's dealings after interviewing 12 current and former senior officials at the company.

The internal documents have emerged as the government is widening its investigation of the KPMG shelters.

But the encouraging news was tempered by its warning that federal regulators looking into accounting irregularities had widened their investigation.

The police widened their investigation into the Barons private life in order to discover whether the kidnapping had other motives than financial gain.

The regulator is now widening its investigation in the run up to Christmas, and will look at the online advertising of a further 50 firms.

Quoting "sources close to the investigation" and "unnamed police contacts," she outlined the possibility that we had widened our investigation, citing the murder in Oakland.

She also asked the Chancellor's office to widen its investigation.

Investigators widened their investigation of Parmalat this week to focus on the role that Italian and foreign banks and advisers may have played.