Police in Prachin Buri province have launched a murder hunt after the body of a German expat was found stabbed to death at his home on Wednesday morning.

The body was discovered by the man’s ex-wife at his three-room house Soi Roman Uthit 3 in tambon Na Muang.

Inside the house, police found a blood-stain fruit knife on the living room floor while the body of the man was found laid on a bed with stabs wounds to his chest.

His former wife Sriwan Khunmak, 45, told police despite being divorced, the couple remained in regular contact.

She said the deceased had called her on Tuesday evening to say his mother had sent him 40,000 baht asking could she collect it on his behalf.

When she arrived on Wednesday morning, she said, she discovered his body of her ex-husband who taught English at the Thambrit Mr Paul language institute in Prachin Buri.

Investigators said they are looking into several lines of inquiry including robbery or a family fued.

The German man’s 19-year-old daughter who lives in Sukhothai province with her husband in Sukhothai would also be questioned.