Turnout from Afghanistan's presidential election was seven million out of 12 million eligible voters, or about 58 percent, election commission chief Ahmad Yousuf Nuristani has said.
Nuristani told reporters the figure of seven million was based on preliminary estimates.
More top news
Police said the child, who was without a driving licence, was trying to make his way 2,500 miles from the east coast to Perth.
The 24-year-old was charged with 14 counts of wounding with intent to do grievous bodily harm and one count of throwing a corrosive fluid.
Winds will veer northerly overnight with colder air streaming in over the next few days.