The Line 7 Cheongna extension is a key project for the transport convenience of residents in northwestern Incheon, but has faced ongoing disputes over construction setbacks and the opening date. The deceased official is known to have handled related work.

Police said no signs of foul play had been confirmed and that they were checking circumstances including any note. The city expressed sorrow and said it was monitoring the situation.

Large infrastructure projects entangle many burdens—budget, schedule, permits—that easily become heavy pressure on those in charge. The case has heightened attention to excessive workloads in public service.

The Cheongna area is home to diverse residents including ethnic Chinese who had keen interest in the extension's opening, so attention also turns to the project's future.

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