'It's very frustrating': Calgary schools dealing with staffing, substitute teacher shortages

'It's very frustrating': Calgary schools dealing with staffing, substitute teacher shortages

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Gunman fired more than 70 rounds at July 4 parade: police

The gunman who attacked an Independence Day parade in suburban Chicago fired more than 70 rounds with an AR-15-style gun that killed at least six people, then evaded initial capture by dressing as a woman and blending into the fleeing crowd, police said Tuesday.