Migrants were asked by police to turn back toward Mexico.
Although the number of people in the caravan was relatively small, the unrest, with migrants attempting to climb fences and run through vehicle lanes to reach the USA, and scenes of mothers and children choking on tear gas, represented a serious escalation of the caravan crisis.
Video footage from Reuters shows a cloud of tear gas near the border and people running away.
Tijuana city officials say they have no money to improve conditions at the sports center, where more than 5,000 migrants are sheltering in a space with capacity for no more than 3,500.
Mexico doesn't want the migrants any more than the USA does.
"Children screamed and coughed".
Mexico inaugurates a new president, Andrés Manuel López Obrador, next Saturday, and top Cabinet officials in his incoming government had planned to meet on Sunday to discuss possible solutions for dealing with the population, including potentially allowing migrants applying for asylum in the United States to stay in Mexico while they are being processed.
"Mexico should move the flag waving Migrants, many of whom are stone cold criminals, back to their countries", Trump tweeted.
Several hundred made it over the first barrier and were trying to cross a second - topped with spikes - when US border officers began firing tear gas at them even as US Army helicopters flew low overhead.
During this ordeal, the San Ysidro Port of Entry, located near San Diego, was at a stand still.
To enter the United States legally, migrants must formally apply for asylum, but the wait for those requests to be processed can last up to a year.
Irineo Mujica, who has accompanied the migrants for weeks as part of the aid group Pueblo Sin Fronteras, said the aim of Sunday's march toward the US border was to make the migrants' plight more visible to the governments of Mexico and the U.S.
Lurbin Sarmiento, 26, of Copan, Honduras, walked back to the sports complex with her 4-year-old daughter shaken from what had unfolded a short time earlier at the Tijuana River and US border.
Rights groups have accused the US government of stalling the processing of asylum claims, allegations the US Customs and Border Protection denies.
Some of the migrants told The New York Times they thought they could negotiate with USA officials, but as they approached the metal border fence topped with barbed wire, they were met with several rounds of tear gas.
"We can't have all these people here", Mujica said.
The unrest in Tijuana comes amid broader discussions about how to deal with the growing number of migrants fleeing poverty and violence in Central America who are amassed at crossing points in Tijuana and elsewhere along the border.
On Sunday, hundreds of caravan members, including women and children, were peacefully protesting when they were stopped by Mexican authorities, who told them to wait for permission.
In midfield, Lucas Torreira and Granit Xhaka will be preferred to start, with Matteo Guendouzi set to remain on the bench. Mesut Ozil has been dropped by boss Unai Emery for Arsenal's Premier League visit to Bournemouth on Sunday afternoon.
The Trump lawyers hope Mueller will now begin to wrap up the portion of his investigation related to the president. Trump told reporters last week that he has completed written answers personally, instead of his legal team.
A man with the same name was arrested in South Korea while trying to sneak over the inter-Korean border in November a year ago . Some foreigners have said after their release that their declarations of guilt had been coerced while in North Korean custody.
Race marshalls rushed to the scene of the accident before extinguishing the flames and helping the driver from his vehicle . Hulkenberg's vehicle landed upside down against the barriers after attempting to make a move on Romain Grosjean.
Apple's stock also fell this month due to the lower sales number, in addition to Apple no longer revealing the device unit sales. Shares have been under pressure recently - down more than 20% from its October peak - amid Apple's waning iPhone demand.
The federal indictment states Tekashi 6ix9ine and his former team had planned a slew of armed robberies, shootings and drug deals. The indictment accuses gang members of murder, robbery, assault, the sale of drugs, and more.
On Monday morning, the Border Patrol closed northbound lanes into San Ysidro, Calif. for three hours at the Tijuana port of entry. Attorney Lee Gelernt is with the American Civil Liberties Union, which is one of the groups that challenged that policy in court.
Democrats have opposed this action due to previous comments by Mr Whitaker that criticised Robert Mueller and his investigation. He said: "This is what had him anxious then". "No, it's not an impeachable offense but it's the wrong thing to do", he said.
Strong winds and snow are expected to create blizzard conditions across much of Nebraska and parts of Kansas on Sunday. The weather service said outdoor items should be secured , including trash cans and Christmas and holiday decorations.
Madrid refuses to accept The Rock is a part of Britain despite the fact it has been an overseas territory since 1713. Spain do not have the legal ability to veto the Brexit deal as settlement comes down to a 'qualified majority'.
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Spain to seek talks on joint sovereignty of Gibraltar
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Facebook Messenger reportedly down around the world
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