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NFL Chiefs cancel workout after defender suffers cardiac arrest

The reigning Super Bowl champion <a class="link " href="https://sports.yahoo.com/nfl/teams/kansas-city/" data-i13n="sec:content-canvas;subsec:anchor_text;elm:context_link" data-ylk="slk:Kansas City Chiefs;sec:content-canvas;subsec:anchor_text;elm:context_link;itc:0">Kansas City Chiefs</a> called off all team activities on Thursday after defensive end B.J. Thompson suffered cardiac arrest after a seizure in a special teams meeting and was taken to a hospital, where he was reportedly in stable condition (David Eulitt)

The reigning Super Bowl champion Kansas City Chiefs called off all team activities on Thursday after defensive lineman B.J. Thompson suffered a seizure during a meeting and went into cardiac arrest, according to multiple reports.

Thompson, who suffered the seizure in a special teams meeting, was taken away in an ambulance and hospitalized after the incident and is in stable condition, according to ESPN and the NFL Network.

The 25-year-old defensive end, selected in the fifth round of last year's NFL Draft, played one game and made two tackles for the Chiefs last season, when the club captured a second consecutive Super Bowl title.

The Chiefs, whose medical staff worked on Thompson until an ambulance arrived, called off a scheduled practice session after the medical emergency, with coach Andy Reid and players delaying media interview sessions until Friday.

A mandatory mini-camp for Chiefs players is set to begin on Tuesday.

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