Teen arrested over alleged firearm threat is brother of school attack suspect

All three were taken to hospital with what were later confirmed to be non life-threatening injuries and have since been discharged. The girl was arrested at the scene and remains in police custody. During the early hours of Thursday morning, hours after the incident at the school, Dyfed-Powys Police confirmed that a boy had been arrested in the nearby Cross Hands area following threats being made on social media. A BB gun was recovered from a property and the boy - who is also not being named for legal reasons - remains in police custody. It's understood that he is not a pupil at Ysgol Dyffryn Aman. You can keep up to date with the latest Carmarthenshire news by signing up to the local newsletter here.

Police have not confirmed that the two arrested teenagers are related, or if both incidents are connected, but it is understood that they are brother and sister. Police have said that they are seeking to establish "whether there was any connection between the alleged offences". They did confirm on Thursday morning that "an arrest has been made in the Cross Hands area overnight, following threats involving a firearm. A warrant was executed at an address in the area, and police have recovered a BB gun. The teenage boy remains in police custody".

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Superintendent Ross Evans of Dyfed-Powys Police said: "We would like to thank the many members of the public who reported concerns around messages they had seen online. This allowed us to take swift action in executing a warrant and arresting a suspect. While this investigation is being run separately to our enquiries into the major incident at Ysgol Dyffryn Amman yesterday, our officers will be seeking to establish both the credibility of the threats, and whether there was any connection between the alleged offences. Again, I would urge people not to speculate, not to share any images or videos relating to either investigation, and to allow us to carry out our enquiries fully. If you, or your children, are distressed by these events, please seek support from an appropriate agency."

Ysgol Dyffryn Aman is closed to all pupils and staff on Thursday as a CID-led investigation continues at the school. It is yet to be confirmed if the school will reopen on Friday. Regarding Wednesday's incident, superintendent Evans said: "As can be expected with an incident as serious as this, there will continue to be a police presence at the school throughout the day today. Officers at the scene will be looking for evidence to assist the investigation, while other specialist teams will analyse any information submitted through our dedicated web page.

"We understand the level of concern in the community as people try to process the incident. We urge anyone affected by yesterday's events to seek support, and not to share any videos, photos or information that might cause further distress to pupils or parents at the school. We continue to work with Carmarthenshire County Council and other agencies as they provide support to those affected by yesterday's events."

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