Footage captures the panic after a crazed gunman opened fire outside a packed baseball stadium, injuring three people.
Fans at Nationals Park arena in Washington D.C fled in fear after hearing the gunshot during the game between Washington Nationals and San Diego Padres.
The match was stopped and some supporters rushed desperately to safety outside the stadium.
But footage shows others inside it panicked as the venue went into lockdown. A man on a public announcement system is heard repeatedly saying: "Please remain calm and remain inside the stadium."
However, restless supporters can be heard shouting and expressing panic. Some are pictured making calls on their mobile phones and others console friends or relatives.
The three hurt people were dashed to hospital but the extent of their injuries is unclear at this stage.
Large numbers of emergency service personnel descended on the arena on Saturday night in the capital.
The chaos unfolded as Nationals faced off against the San Diego Padres. The match has been postponed.
Washington Police said: "MPD is responding to a shooting in the 1500 block of South Capitol Street, SW, in which two people where shot outside of Nationals Park.
"This is currently an active investigation and it appears there is no ongoing threat at this time."
The investigation continues.
