Nov 25 (Reuters) - Following are security developments in Pakistan at 0745 GMT on Tuesday.

* denotes new development or update

*BAJAUR - The army fired artillery at militant positions overnight and on Tuesday in the Bajaur tribal region, near the Afghan border, killing six militants, security officials said. There was no independent verification of the casualties.

KOHAT - Unidentified gunmen opened fire at a vehicle in Kohat in the northwest, killing four people including a woman, police official Lal Fareed said.

Security forces imposed a curfew and launched a search in the Darra Adam Kheil tribal region, 140 km (85 miles) west of Islamabad, after reports Taliban militants were regrouping, said political official Siraj Ahmad.

BANNU - Militants set off a remote-controlled bomb in the northwestern town of Bannu as a police patrol passed, severely damaging the vehicle but causing no casualties, police said.

DERA MURAD JAMALI - A bomb blast outside a court in the Naseerabad district of the southwestern province of Baluchistan wounded four people, police said.

*SUI - Suspected nationalist militants detonated a road-side bomb as a pro-government tribal leader passed in a vehicle in Sui town in Baluchistan but it caused not casualties, police said. (Reporting by Sami Paracha, Sahibzada Bahauddin, Gul Yousafzai and Augustine Anthony)

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