Yellow and amber heat health alerts were also issued for the first time this year.
People waved flags and shouted "long live the Pope", with some throwing petals as he arrived at the square.
Girls today are using a wider variety of sophisticated products - many of which contain anti-ageing ingredients - in the hope of achieving flawless skin.
The Toledo Police Department said 10 people "are reported to be in stable condition, while two remain in critical condition".
During his seven-day visit, Pope Leo will meet victims who experienced sexual abuse within the Catholic Church.
Iranian officials say technical staff have been denied visas, hours after the US said players could enter the country.
The city's governor urges residents to remain indoors for the first time since the beginning of the war.
The Welsh singer has announced her first concert after a sexual assault led her to step away from public life.
The incident allegedly took place in the street outside a curry house following an argument over an unpaid $150 (£79) bill.