By Mohammad Stanekzai
LASHKAR GAH, Afghanistan (Reuters) - Afghan forces said they were holding off a Taliban offensive in Helmand province on Tuesday, as reinforcements and air support arrived.
Both sides reported heavy fighting as Taliban militants attacked government positions in Sangin district, an area where insurgents have made major gains in the past two years.
"There is heavy fighting still ongoing between the Taliban and our forces but those places that were captured by the Taliban yesterday have been taken back," said Omar Zwak, a spokesman for the governor of the southern province.
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Among the reinforcements sent to the embattled district were new commando units, he said.
A regional Taliban spokesman, Qari Yousuf Ahmadi, said fighters had captured at least 25 government checkpoints and killed more than 100 soldiers and police.
The Taliban used tunnels dug from houses to attack the government's front-line checkpoints, General Wali Mohammad Ahmadzai, commander of the 215th Army Corps, said on Monday.
Army officials said they had killed at least 19 Taliban and wounded 25.
British, American and other international forces battled the Taliban in Helmand for years after the ouster of the militant group from power in late 2001. Sangin and other districts saw sustained heavy fighting.
The Taliban have made gains in several parts of the country since most foreign combat troops withdrew from Afghanistan at the end of 2014.
The U.S.-led coalition has redeployed hundreds of troops to Helmand, however, to train and advise Afghan forces, as well as provide occasional air support.
(Writing by Josh Smith; Editing by Robert Birsel)