Skipper Jos Buttler was "disappointed" by Bangladesh's pointed celebrations of his dismissal in England's 34-run defeat in Dhaka.
Buttler fell lbw to Taskin Ahmed for 57 to leave England 123 for 7, chasing 239.
The umpires intervened in the confrontation which followed the dismissal as several fielders approached Buttler.
Bangladesh captain Mashrafe Mortaza, who earned the man-of-the-match award for taking four for 29, said both sets of players needed to show self-restraint.
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