US President Barack Obama says terrorist attacks like this week's massacre in Orlando, Florida, will continue if the US does not make it more difficult for would-be attackers to get guns.
Obama vows to defeat Islamic State militants abroad, but says the fact that the last two attacks on US soil were carried out by homegrown terrorists show "we're going to have to do more to prevent these kinds of events from happening."
The motive of the man who killed 49 people in a gay nightclub may have been different than other mass killers, Obama says, but action to prevent attackers from getting assault weapons should be the same.
"Today, once again, as has been true too many times before, I held and hugged grieving family members and friends and they asked, 'Why does this keep happening?'" Obama says.