serious motorway accident

This news is about an accident which happened on an Auckland motoway on 11 April at 2:40pm. The Waitemata police district serious crash unit said the family had been driving their white Toyota corona on the Northwestern Motorway when they crashed with a bridge barrier near the Lincoln Rd off-ramp. An 8-year-old boy was seriously injured and his parents were in severe shock. That boy had surgery on 12 April for life-threatening head injuries and his father is stable condition in the Auckland hospital. The police is appealing for a witness to serious accident.

Most of the verb forms used in the past simple form, present simple form and present continuous form. There is one present perfect sentence used in the article, suck as "he might have witnessed the crash ", to mean that possibly happened. There are four present continuous are used in the article, just like"An 8-year-old boy is fighting for his life","the family were approaching the city ","Police are seeking the man" and "Waitemata police are also seeking witnesses ", to mean something is happening over a period of time.And past simple, like"said","had","told", is used in the article to mean something happened in the past.