In this May 27, 2010 photo, a patient is transferred to Hope Children's Hospital from Advocate Trinity Hospital's emergency room in Chicago. Emergency rooms, the only choice for patients who can't find care elsewhere, may grow even more crowded and wait times even longer under the nation's new health law. By later this decade, 32 million more Americans will have health insurance. A shortage of primary care doctors will mean many of those newly insured patients will visit ERs for both real emergencies and problems that could be handled more cheaply in doctor's offices. (AP Photo/Kiichiro Sato)

cid attacks are a particularly disturbing type of violence in which an attacker throws corrosive liquid onto a victim. And they’re on the rise in London in recent years — so much so that medical professionals are now issuing guidance for how bystanders can intervene to limit victims’ suffering.
That guidance, published Wednesday in the BMJ, reflects medial professionals’ increasing alarm over the attacks.
According to the Metropolitan Police in London, there were 261 acid attacks in 2015 and 454 in 2016, and the number is on pace to be even higher in 2017.
According to Dr. Johann Grundlingh, a consultant in emergency medicine at Barts Health NHS Trust in London who co-authored the editorial, acid is an appealing alternative to guns and knives for gang violence because it is an unrestricted substance: It is easy to get, and can be carried legally in large quantities without a license.
“[Gangs] have picked up on the …