According to the ministry, "in response to repeated violations of Afghan airspace and Pakistani airstrikes, Afghanistan conducted a retaliatory operation against Pakistani security forces along the Durand Line."
"The operation concluded at midnight... and was successful," the statement says.
The ministry also warned that "if Pakistan violates Afghan airspace again, the country's armed forces will respond decisively to protect its borders."
Operations carried out by Afghan forces near the Durand Line in Bahrampur district of the province, 15 Pakistani soldiers were killed, the spokesperson for the Helmand provincial government, Mawlawi Mohammad Qasim Riaz, told Afgani media.