21.   Strong wind, fog and rain since the crash have repeatedly grounded helicopters and hampered rescue efforts.

22.   Strong winds, fog and rain since the crash have repeatedly grounded helicopters and hampered rescue efforts.

23.   The United Nations grounded helicopters used to ferry inspecters to suspected weapons sites in Iraq because of military activity in the region, the chief arms inspector said Tuesday.

24.   The weather grounded helicopters that the government of Jammu-Kashmir state wanted to send to rescue pilgrims, the Press Trust of India news agency said.

25.   Thick gray haze from forest fires burning out of control in neighboring Indonesia blanketed Singapore Thursday, grounding helicopters assigned to keep track of a major oil spill.

26.   Foggy weather grounded helicopters Sunday, NTV said.

27.   But police spokesman Superintendent Henry Budhram said the rain and hail grounded the helicopters and halted the search for bodies by the police divers.

28.   Serb gunmen temporarily grounded UN helicopters at Sarajevo airport after a helicopter was hit Thursday by three rounds as it approached the airport.