EMERGENCY services in south Wales are dealing with a “serious” incident involving “a number of casualties” and have closed off a street this afternoon.

The incident happened in Baglan Street, Treorchy, in Rhondda Cynon Taf, at around midday and ambulance crews are also in attendance, South Wales Police said.

The force said the street has been closed off and people are advised to avoid the area until further notice.

Chris Bryant, Labour MP for Rhondda, tweeted that he is aware of “disturbing events on Baglan Street” and said his thoughts go out to all those affected.

In a statement, South Wales Police said: “Police units are currently dealing with a serious incident which occurred in Baglan Street, Treorchy, at approximately midday today.

“Ambulance crews are also in attendance as the incident involves a number of casualties.

“The street has been closed off and people are advised to avoid the area until further notice.

“Updates will be released when they are available.

“Anybody who may have witnessed the incident is urged to contact 101 immediately and give reference *077519.”