Approximately 22 people were hospitalized in the aftermath of the struggle, and four young Eritrean migrants were in critical condition, local prosectors told the Agence France-Presse news agency.
The government of President Emmanuel Macron has sought to address the migrant situation in Calais and elsewhere by prioritizing asylum seekers over economic migrants.
Two clashes broke out in the northern port city.
The French news service says a second fight broke out later in another part of town, with about a hundred Eritreans fighting some 20 Afghans.
He has vowed to step up deportations while speeding up waiting times for bona fide asylum seekers an approach he touts as mixing "humanity" and "efficiency".
Collomb said the Government will start meal distribution to migrants outside Calais in the coming two weeks, instead of leaving it to aid groups, in an effort to stop sites from becoming fixed nodes of tension.
It was not immediately clear who had done the shooting, although people smugglers occasionally carry pistols, as do some of the migrants themselves.
Insisting that "very few" people successfully sneak across to Britain, Collomb said, "if you want to go to Britain, you shouldn't go to Calais".
Authorities said French police intervened to protect the Afghans.
By 9pm, police said that a total of 13 migrants were seriously wounded, as other victims were found by police around the town.
Mr Collomb urged migrants not to head to Calais if they wanted to try to get to the United Kingdom, saying their attempts from there - often trying to hide themselves in lorries - would be unsuccessful.
Annie Gavrilescu, France regional manager for charity Help Refugees, said: "Yesterday's clashes tragically show the true extent of the suffering these criminal gangs can cause, pitting communities against each other for gain, while displaced men, women and children in Calais are barely surviving in the most inhumane conditions". In Calais, he has expressed support for the police, whose treatment of migrants was criticized by a Human Rights Watch report that denounced their systematic use of pepper spray against migrants.
Many of those who had lived in the jungle moved to other areas of France but others remained in the hope of making their way on to trucks and boats heading towards the UK.
The grim conditions, made worse by a particularly wet winter, have led to tensions between groups of migrants from different regions that sometimes spills over into violence.
HDM Global launched the Nokia 3310 4G edition in China on Tuesday, but there was no word on the phone's worldwide availability. In addition to making calls over LTE, you will also be able to make the Nokia 3310 a portable Wi-Fi hotspot when LTE is active.
The UK has always argued the Irish border issue is impossible to solve before trade talks, which have yet to start. The council is a gathering of all the relevant government ministers from the EU's countries.
I'm very thankful for my whole team. "It was going to be, 'Can I shoot low scores?' I didn't, but I grinded out some good rounds". It was the third playoff in as many weeks on the PGA Tour, all of them at least four holes and two of them lasting at least six.
Yes, it's right that we didn't play well at Swansea , but a few days before we played fantastic against Man City". Liverpool lost a key attacking player in Coutinho, after he joined Barcelona for €160 million.
One of the women, identified in the court documents as "Jane Doe no. 1", is a USA military service member stationed in the U.K. The other accuser , Jane Doe 2 , said the rapper touched her without consent and forced her to engage in oral sex.
Georgetown Law professor Michael Seidman offered a theory as to why the Mueller story is surfacing all these months later. That reaction is nearly universally negative, as we learned when rumours of Mueller's ouster first surfaced last summer.
LeBron gets to reset with a new star and the Cavs have him locked down for five years if LeBron wants to walk after this season. Not only does the deal clear cap space, the Clippers potentially acquired a lottery pick in a deep 2018 draft.
Rain Thursday afternoon with snow Thursday night
Snow mixed with rain is expected late this afternoon before turning to rain tonight as temperatures rise to about 3C. The average low in January this year was 16.9 degrees, noticeably cooler than the normal of 19.1 degrees.
Prince William and Kate are just like us: They shop at Ikea!
The Duke and Duchess of Cambridge are already known for their mental health activism , but that's not where their goodwill ends. Prince William and Kate Middleton slapped around some balls on the ice this week - but don't call what they're doing hockey.
Gas prices still climbing in northern New England
Gasoline prices in Houston and elsewhere have reached some of the highest levels since Hurricane Harvey. Analysts say the rising pump prices in recent weeks are mostly due to increasing US crude oil prices.
McCabe Stepped Down Amid Pressure From Wray
The leak of the Post story suggested that the rift between the White House and McCabe had reached an untenable position. Trump pressured Wray to fire McCabe, but Wray threatened to resign instead, Axios reported on January 23.
WWE Royal Rumble 2018
Since this is WWE, fans need to take her comment with a grain of salt, because of the company longing for the element of surprise. Now, all of a sudden, there's two posts in two days (right before the Royal Rumble ) about her filming a movie in Colombia.