Warning its citizens in Indonesia, the Philippines, Singapore, Malaysia, Thailand and Myanmar, Japanese Foreign Ministry said it had information about "increased risks such as suicide bombings."
The outlawed Tehreek-e-Taliban Pakistan claimed responsibility for the attack that took place near a checkpost of the Frontier Corps on the Quetta-Mastung highway.
Officials in Lawrence, Massachusetts, held a vigil with Sgt. Johanny Rosario Pichardo's family at Veterans Memorial Stadium.
Two American military officials, who spoke on condition of anonymity to discuss military operations, called the airstrike successful and said the vehicle carried multiple bombers.
Two American military officials, who spoke on condition of anonymity to discuss military operations, called the airstrike successful.
Explosions outside Kabul airport carried out by US forces to destroy their belongings, claim Taliban
At least seven explosions were heard in Kabul city, hours after the twin suicide bombings outside the airport, that killed over 60 people, including US troops.
The al-Qaida-linked al-Shabab extremist group claimed responsibility. The group often targets security forces in Mogadishu.
The explosion killed her baby in her arms, while an older daughter also at the scene survived, according to the ministry.
An Indonesian cathedral was rocked by a suspected suicide bombing on Sunday with body parts littering the chaotic scene as Christians inside celebrated the start of Holy Week, police said.
A suicide bombing outside a voter and ID registration centre in Kabul killed at least 57 people, and injured 112 people.
The assault underscores growing concerns about security in the lead-up to legislative elections scheduled for October 20, which are seen as a test-run for next year's presidential poll.
The attackers targeted the convoy of security forces on the Sariab road in the provincial capital Quetta, they said.
The Islamic State group issued a claim of responsibility, saying in an online statement that it had carried out the attack as the Egyptian army was preparing an assault on IS positions in Sinai.
Iran on Saturday condemned a suicide bombing near Islam's holiest site in Mecca and offered Saudi Arabia its assistance in tackling terrorism despite their severed ties.
There were mixed reports, with some local news agencies reporting there was a single shooter inside the Tehran complex and others saying there were three men.