The Fourth Larut War occurred in 1873, merely a year after the previous battle. Weeks after Hai Sans regained Larut, Ghee Hin, supported by Raja Abdullah, counter-attacked with arms and men from Singapore and China. Ngah Ibrahim's properties in Matang were destroyed. Local Malay residents were also killed and their property, destroyed. Trouble spread to Krian, Pangkor and Dinding. The quarrelling Malay chiefs who had taken sides in the Larut Wars were now alarmed at the disorder created by the Chinese miners and secret societies. The Straits Settlement Penang Chinese seeing their investments destroyed in the Larut Wars sought intervention from the British. Over 40,000 Chinese from the Go-Kuan and Si-Kuan were engaged in the fratricidal war involving the Perak royal family.