Truck drives through soccer game, killing two in US

Police said the driver was in custody but did not give further details about the person or say whether they believed it was intentional. Two minors were also in the truck.

Police, fire and EMS officials responded, and authorities said there was no further public threat. 

Mayor Lily Wu advised people to avoid the area during the investigation and said the news was heartbreaking. 

"My thoughts and prayers are with everyone affected, especially the children and families involved," she said via Facebook.