Accusing the Houthis of using children as human shields, the alliance said that the air strikes targeted missile launchers used to attack the city of Jizan, killing a Yemeni civilian there.
The attack took place in the city of Lübeck.
Seventeen other passengers were injured, and nine of them suffered severe injuries.
The migrants, who were detained in Calais, are expected to be deported.
The bus is believed to have gone out of control before hitting the road divider and overturning.
The crash comes almost two months after Canada was shaken by bus a crash in a remote Saskatchewan town that killed 16 people, most of them members of a junior hockey team.
The bus crash occurred in the town of Kiryandongo.
A school bus and a dump truck collided killing a student and a teacher while injuring 43 others.
The fire was the ninth of its kind in Rome this year.
Although most of those involved in recent bus fires escaped unharmed, we may not always be as lucky.
Kim also visited the hospital where the injured were being treated, the report said, adding that he "personally learned about the treatment of the wounded."
A collision late Friday between a transport truck and a bus carrying players, coaches and team personnel of the Humboldt Broncos junior hockey team had claimed 15 lives and left the other 14 people on the bus injured, some critically.
Singaporean woman says she couldn't sleep, then everyone was thrown off their seats.
In a country where love of the sport is almost a religion, the crash ha sparked an outpouring of grief among players and fans.
The bus was carrying 28 people including the driver.
Fire department spokesman Colonel Khalil al-Amir has told AFP that the victims, mostly Asian expats, were employees of Burgan Drilling, a private subcontractor.
A fire on board a bus in western Thailand killed 20 migrant workers from Myanmar early on Friday, police said.
The Secretariat of Public Security of Parana says it was investigating the incident and that Lula was not on the bus at the time of the attack.
The accident had occurred at around 2 pm local time on the Jipijapa highway, in the area known as "Las Americas" of the Manabi province, according to a report from the Ecuadorian Traffic Commission.
At least 17 people were killed and dozens of others wounded when a bus travelling in northeastern Thailand veered off the road and smashed into a tree, authorities said Thursday.
The bus hit a bridge railing and crashed into a 15-metre deep cliff in the province of Occidental Mindoro.
The accident is the second major fatal bus crash in Peru in 2018.
Land Public Transport Commission says the bus operators were probably trying to avoid the commission’s Op Serkap, resulting in passengers having to wait for long hours.
The driver's speeding was the cause of the accident.