A week-long period for candidates vying to become Chicago's next mayor to file their nominating petition has gotten underway.
Former Chicago Public Schools CEO Paul Vallas, businessman Willie Wilson, Cook County Board President Toni Preckwinkle, attorney Jerry Joyce and activist Catherine Brown D'Tycoon filed their petitions Monday.
Preckwinkle and Wilson each estimated they'd gathered 60,000 signatures. Vallas said he had about 50,000. And Joyce put his signature count around 30,000.
So far, 18 people have announced they are running for mayor. They must submit at least 12,500 signatures from registered voters to participate in the February election.