Cause of two Sherwood Park explosions unknown, 21-year-old man dead

A day after a pair of explosions less than two hours apart rocked a parkade at Strathcona County Community Centre, the heart of Sherwood Park remained on lockdown.
Crime tape, haphazardly strung between trees and street signs along Sherwood Drive near the county hall, along with city barricades and a heavy police presence, barred anyone but RCMP investigators and bomb disposal experts.
Nearby business owners and residents were asking the same question: Just what happened inside the parkade Tuesd