The general said he had complained to his Myanmar counterpart about shooting and shelling across the border, as well as air incursions, amid junta-AA clashes in Rakhine.
Two or three regime soldiers are being killed every day by mines and ambushes in the township, Chin resistance groups said.
The deaths and several injuries occurred when regime artillery shells hit a village in Rakhine State’s Mrauk-U Township after AA fighters ambushed junta troops.
The regime fired artillery at AA targets in northern Maungdaw all day Tuesday after a bloody weekend of fighting that saw nearly 40 junta troops killed.
They were among at least 80 regime forces killed in Chin, Kachin and Karen states and Sagaing and Magwe regions, resistance groups said.
More than 250 civilians have been killed and over 150,000 left homeless as the junta conducts air strikes and torches property amid the clashes, a rights group said.
Dozens of regime soldiers have been killed during four days of fighting between the military and the Northern Thandaung Defense Force in Karen State.
Fighting erupted in Rakhine State’s Maungdaw after the AA ambushed junta troops; it said the attack was in retaliation for an airstrike on an AA outpost in Karen State.
Daily Myanmar military patrols have been reported following a KIA attack on the base of a junta-controlled ethnic Lisu militia group in Waingmaw Township.
Resistance groups nearly succeeded in capturing junta outposts in Pekon Township but regime forces counterattacked with artillery and troop reinforcements.
Karen forces were set to capture the strategic location in Myawaddy Township on Tuesday night but regime forces held the outpost after launching an artillery attack.
The KNU’s armed wings and other resistance groups have been fighting junta forces for control of strategically important Ukayit Hta in Myawaddy Township since Sunday.
The ethnic armed group accused the junta-installed state government of bullying locals and said the Tatmadaw’s heightened activity in the region risked triggering clashes.
Some 50 junta troops were killed in a single firefight against the PDF and KIA in Kachin State on Sunday morning, the groups said.
According to the Karen ethnic armed organization, nearly 1,800 regime soldiers were killed in clashes with its armed wings in the first five months of the year.