Full coverage: 50 Dead in Orlando Nightclub Shooting

For more on this, we're joined now by our correspondent Sean Callebs who's standing at the scene of the attack in Orlando. Sean, thanks for joining us.

Q1. What's the latest development in the investigation?

Q2. In the wake of the attack, US President Barack Obama has also reiterated the need for stricter regulation on firearms. Will this incident influence the current gun control laws in the country?

Mayor praises law enforcements' effort to help the victims

"We came together united to support the families and friends of the victims. We learnt of the heroic acts of Orlando police department and other local law enforcement agencies as well as our citizens, hundreds of lives were save through the course of that night. The medical personnel that saves so many lives that were transported to the hospital are certainly heroes in my mind today as well as the entire community," said Buddy Dyer, mayor of Orlando.