<p>Flooding was the “major concern” on August 23, the National Weather Service said, as Hurricane Lane continued to move slowly northwards towards Hawaii.</p><p>A number of rescues were reported locally as water levels rose amid the torrential rain. A flash flood warning for Hawaii’s Big Island was to remain in place until the morning of August 24.</p><p>Alex Werjefelt was in Hilo, where he shot what he called the “mind-blowing” surge of the Wailuku River, which local forecasters said</a> had risen by seven feet. Credit: Alex Werjefelt via Storyful</p><br />