🔴🔥💥❗️

#red circle #red exclamation mark

🛑🚨🚒❗

#police light #red exclamation mark

⚠️❗❗

#warning sign #danger #hazard #caution #urgent notice #critical warning #red exclamation mark

❗️❕

#red exclamation mark #white exclamation mark #signo de exclamación