India, April 30 -- Pittsburgh witnessed severe storms on Tuesday evening, causing blackouts in 400,000 homes amid power outage as trees were uprooted and tornado warnings were issued due to wind gusts of up to 70 miles per hour.

Allegheny County reported at least two storm-related fatalities in a statement late Tuesday. One of the victims was electrocuted to death on Pittsburgh's South Side Slopes, CBS News reported.

Late Tuesday, Forest Hills Mayor Frank Porco proclaimed a state of emergency for the borough, asking citizens to restrict their travel to necessary activities until further notice.

As workers attempt to restore power outages, Porco asked locals to exercise patience and vigilance.

"In the meantime, continue to monitor offi...