Andy Murray says there are "more important things than tennis" after three people were killed and another three injured in attacks in Nottingham.
Two 19-year-old students and a man in his 50s were stabbed to death in the attacks early on Tuesday morning.
Murray said he did not know if play would be suspended at the Nottingham Open, but it went ahead with the Briton winning his first-round match.
"It was obviously shocking when I woke up this morning," said Murray, 36.
"When I was going down to breakfast a few messages on our team chat came up.