Damar Hamlin still in critical condition but with 'signs of improvement' noted

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Damar Hamlin remains in intensive care in critical condition but with "signs of improvement" noted on Tuesday and overnight into Wednesday, the Buffalo Bills have said.

Hamlin collapsed during the first quarter of Monday's game between the Bills and the Bengals in Cincinnati following a collision with wide receiver Tee Higgins.

The safety suffered a cardiac arrest and was resuscitated on the field.

He was rushed to the University of Cincinnati Medical Center, where he is said to have since been sedated on a ventilator.

As the NFL world has rallied around Hamlin, there have been positive updates from Hamlin's family regarding the 24-year-old's condition.

And the Bills offered more encouraging news on Wednesday in a post on their Twitter account.

It read: "Damar remains in the ICU in critical condition with signs of improvement noted yesterday [Tuesday] and overnight.

"He is expected to remain under intensive care as his health care team continues to monitor and treat him."