The chaos and confusion at the border today is exactly what President Joe Biden wanted to avoid when he announced a major change in immigration policy.
A makeshift campsite has sprung up between two 30 ft fences which divide San Diego in the United States from Tijuana in Mexico.
There has been a significant increase in the number of migrants in recent weeks at crossings along the 2,000 mile (3,219km) long border.
People have been anticipating the lifting of Title 42, a COVID-era policy, first introduced by the Trump administration, which allowed migrants to be swiftly expelled on public health grounds.
Volunteers pass nappies, water, sun cream and other supplies through gaps in the metal slats.
But a dispute breaks out over blankets.
“Back up, back up, we are stopping the distribution,” one charity worker shouts.