Trump says 'we'll be talking about gun laws'

The deadliest mass shooting by a lone gunman in United States history has once again sparked debate about the country's gun laws.

Ester Tapia kêu khóc tại hiện trường vụ nổ súng thảm sát tại Las Vegas Source: AP

As deep mourning sets in, the death toll remains at 59, with more than 500 others injured.