HARTFORD, Conn. (AP) State election officials are widening an investigation into whether the state Democratic Party illegally spent money for Gov. Dannel P. Malloy's re-election.

The State Elections Enforcement Commission voted unanimously Tuesday to approve a request from its investigators to issue subpoenas.

Investigators are seeking to subpoena individuals and documents about the development and distribution of a campaign mailer supporting Malloy's re-election last year.

The state Republican Party filed a complaint against the Democratic Party last October. The GOP asked the enforcement commission to determine that Democrats illegally spent money from a federally registered account on a state race and that Malloy and his campaign approved the illegal spending.

Democrats said last year they were not spending contractor money on state races and said federal law allows the party to spend federal money on get-out-the-vote efforts..